{"muscleInfo":{"frontalis muscle":{"origin":"Epicranial aponeurosis","insertion":"Skin of forehead & eyebrows","function":"Raises eyebrows, wrinkles forehead, expresses surprise","exercises":["Eyebrow Raise Hold","Forehead Resistance Press","Face Yoga","Brow Furrow Release","Facial Stretching"]},"occipitalis muscle":{"origin":"Lateral two-thirds of superior nuchal line","insertion":"Epicranial aponeurosis","function":"Retracts scalp, tenses epicranial aponeurosis","exercises":["Scalp Massage","Neck Stretch","Occipital Release","Suboccipital Stretch","Head Nod"]},"temporalis muscle":{"origin":"Temporal fossa & temporal fascia","insertion":"Coronoid process & anterior ramus of mandible","function":"Closes jaw, retracts & elevates mandible, clenching","exercises":["Jaw Clench Hold","Lateral Jaw Stretch","TMJ Release","Bite Block Training","Chewing Resistance"]},"masseter":{"origin":"Zygomatic arch (inferior border & medial surface)","insertion":"Mandible ramus, angle & lateral surface","function":"Primary jaw closing muscle — most powerful muscle per unit area","exercises":["Jaw Resistance Press","Chewing Gum","Mewing","Jawline Exercises","TMJ Mobilization"]},"superficial part of masseter":{"origin":"Zygomatic arch (anterior two-thirds)","insertion":"Lateral surface of mandible ramus","function":"Elevates & protrudes mandible","exercises":["Jaw Clench Hold","Masseter Stretch","Face Resistance","Bite Block","Jaw Opening Resistance"]},"deep part of masseter":{"origin":"Zygomatic arch (posterior third, deep surface)","insertion":"Upper half of mandible ramus & coronoid","function":"Closes jaw powerfully, retracts mandible","exercises":["Jaw Clench Hold","Massage Therapy","TMJ Exercises","Side-to-Side Jaw","Jaw Retraction"]},"medial pterygoid muscle":{"origin":"Medial surface of lateral pterygoid plate & palatine bone","insertion":"Medial surface of mandible ramus & angle","function":"Elevates mandible, assists in grinding motions","exercises":["Jaw Lateral Movements","TMJ Mobilization","Jaw Protrusion Hold","Chewing Resistance","Mewing"]},"lateral pterygoid muscle":{"origin":"Superior head: greater wing of sphenoid; inferior head: lateral pterygoid plate","insertion":"Mandibular condyle & articular disc","function":"Opens jaw, protrudes mandible, side-to-side chewing movements","exercises":["Jaw Opening Stretch","TMJ Resistance Opening","Jaw Protrusion Hold","Lateral Jaw Slide","TMJ Release"]},"sternocleidomastoid muscle":{"origin":"Manubrium of sternum (sternal head) & medial clavicle (clavicular head)","insertion":"Mastoid process & lateral superior nuchal line","function":"Rotates & laterally flexes neck; bilateral contraction flexes neck; lifts sternum in forced breathing","exercises":["Neck Rotation Stretch","Lateral Neck Flexion","Chin Tucks","Neck Isometric Hold","SCM Stretch","Neck Side Bend","Neck Rotation Resistance"]},"scalenus anterior muscle":{"origin":"Anterior tubercles of C3–C6 transverse processes","insertion":"Scalene tubercle on first rib","function":"Flexes & rotates cervical spine; elevates first rib in deep inhalation","exercises":["Scalene Stretch","Neck Side Bend","Deep Breathing Exercise","Cervical Rotation Stretch","Rib Elevation Training"]},"scalenus medius muscle":{"origin":"Posterior tubercles of C2–C7 transverse processes","insertion":"Superior surface of first rib (behind subclavian groove)","function":"Lateral cervical flexion; elevates first rib","exercises":["Scalene Stretch","Lateral Neck Tilt","Rib Mobilization","Cervical Side Flexion","Neck Rotation"]},"scalenus posterior muscle":{"origin":"Posterior tubercles of C5–C7 transverse processes","insertion":"External surface of second rib","function":"Elevates second rib; laterally flexes cervical spine","exercises":["Scalene Stretch","Neck Side Bend","Thoracic Inlet Stretch","Cervical Mobilization","Rib Breathing"]},"longus colli muscle":{"origin":"Anterior vertebral bodies C1–T3 & transverse processes","insertion":"Atlas anterior arch & C2–C4 transverse processes","function":"Flexes & rotates cervical spine; stabilizes cervical lordosis","exercises":["Deep Neck Flexor Activation","Chin Tucks","Cervical Stabilization","Craniocervical Flexion","Neck Endurance Hold"]},"sternohyoid muscle":{"origin":"Posterior manubrium & medial clavicle","insertion":"Body of hyoid bone","function":"Depresses hyoid bone after swallowing","exercises":["Swallowing Exercises","Neck Extension Stretch","Hyoid Mobilization","Chin Tucks","Tongue Press"]},"splenius capitis muscle":{"origin":"Ligamentum nuchae & C7–T4 spinous processes","insertion":"Mastoid process & lateral superior nuchal line","function":"Bilateral: extends head & neck; unilateral: rotates & laterally flexes head ipsilaterally","exercises":["Neck Extension","Head Nod","Neck Isometric Hold","Posterior Neck Raise","Cervical Spine Mobility","Prone Head Lift","Resistance Band Neck Extension","Neck Retraction","Isometric Neck Strengthening","Suboccipital Release"]},"splenius cervicis muscle":{"origin":"T3–T6 spinous processes","insertion":"Transverse processes C1–C3","function":"Extends & ipsilaterally rotates cervical spine","exercises":["Neck Extension","Cervical Rotation Stretch","Isometric Neck Hold","Prone Neck Extension","Head Retraction","Cervical Mobility","Neck Rotation Resistance","Posterior Neck Training","Band Neck Extension","Four-Way Neck Machine"]},"semispinalis capitis muscle":{"origin":"Transverse processes C4–T7 & articular processes C4–C6","insertion":"Between superior & inferior nuchal lines of occipital bone","function":"Extends head & cervical spine; contralateral rotation","exercises":["Neck Extension Hold","Suboccipital Stretch","Posterior Neck Strengthening","Prone Head Raise","Isometric Neck Extension","Four-Way Neck","Band Neck Extension","Neck Circuit","Resistance Head Nod","Cervical Stabilization"]},"suboccipital muscles":{"origin":"C1–C2 vertebrae (atlas & axis)","insertion":"Occipital bone & atlas","function":"Fine head movement — nodding, tilting, rotating; proprioception","exercises":["Suboccipital Release","Head Nod","Cervical Retraction","Atlanto-Axial Rotation","Occipital Stretch"]},"orbicularis oculi muscle":{"origin":"Medial orbital margin & medial palpebral ligament","insertion":"Lateral palpebral raphe & surrounding skin","function":"Closes eyelid (orbital part: forced close; palpebral: blinking)","exercises":["Eye Squeeze Hold","Winking Exercises","Forehead Massage","Facial Yoga","Eyelid Resistance"]},"orbicularis oris muscle":{"origin":"Maxilla & mandible (modiolus region)","insertion":"Skin & mucosa around mouth","function":"Closes & purses lips; essential for speech & eating","exercises":["Lip Press","Whistling","Resistance Lip Training","Lip Pucker Hold","Straw Sucking Exercise"]},"zygomaticus major muscle":{"origin":"Zygomatic bone (temporal surface)","insertion":"Skin at corner of mouth (modiolus)","function":"Draws corner of mouth superolaterally — primary smiling muscle","exercises":["Smile Hold","Cheek Lift","Face Yoga","Zygomaticus Activation","Facial Resistance"]},"zygomaticus minor muscle":{"origin":"Zygomatic bone (anterior surface)","insertion":"Skin of upper lip (lateral to philtrum)","function":"Elevates upper lip, deepens nasolabial fold","exercises":["Upper Lip Raise","Smile Exercises","Face Yoga","Cheek Lift","Facial Symmetry Training"]},"buccinator muscle":{"origin":"Maxilla, mandible & pterygomandibular raphe","insertion":"Modiolus & lips","function":"Compresses cheek; keeps food between teeth during chewing","exercises":["Cheek Puff Hold","Facial Resistance","Chewing Exercises","Mewing","Jaw Mobility"]},"platysma":{"origin":"Fascia over deltoid & pectoralis major","insertion":"Mandible inferior border & facial skin","function":"Depresses mandible & lower lip; tenses neck skin; facial expression","exercises":["Neck Extension Stretch","Platysma Press","Chin Lift","Neck Tightening Exercise","Jawline Lift"]},"trapezius muscle":{"origin":"Occipital bone, ligamentum nuchae, C7–T12 spinous processes","insertion":"Lateral clavicle, acromion & scapular spine","function":"Upper: elevates scapula; Middle: retracts scapula; Lower: depresses & rotates scapula","exercises":["Shrugs","Face Pull","Upright Row","Rear Delt Fly","Lat Pulldown","Band Pull-Apart","Y-T-W Raises"]},"descending part of trapezius muscle":{"origin":"Occipital bone, ligamentum nuchae, C1–C5","insertion":"Clavicle (lateral third)","function":"Elevates & upwardly rotates scapula; extends neck","exercises":["Barbell Shrug","Dumbbell Shrug","Farmer Carry","Neck Extension","Overhead Carry"]},"transverse part of trapezius muscle":{"origin":"C6–T3 spinous processes","insertion":"Acromion","function":"Retracts scapula horizontally","exercises":["Face Pull","Seated Row","Band Pull-Apart","Prone Y Raise","Scapular Retraction"]},"ascending part of trapezius muscle":{"origin":"T4–T12 spinous processes","insertion":"Scapular spine (medial)","function":"Depresses & upwardly rotates scapula","exercises":["Pull-Up","Lat Pulldown","Shrug","Cable Row Low","Serratus Slide"]},"acromial part of deltoid muscle":{"origin":"Acromion of scapula (lateral border)","insertion":"Deltoid tuberosity of humerus","function":"Primary arm abductor (arc 15°–90°); essential for lifting overhead","exercises":["Lateral Raise","Arnold Press","Cable Lateral Raise","Upright Row","Machine Lateral Raise","Plate Raise","Leaning Cable Lateral","Band Lateral Raise","Y-Press","Dumbbell Shoulder Press"]},"clavicular part of deltoid muscle":{"origin":"Clavicle (lateral third)","insertion":"Deltoid tuberosity of humerus","function":"Flexes & internally rotates arm; anterior raise movements","exercises":["Front Raise","Incline Press","Cable Front Raise","Arnold Press","Overhead Press","Military Press","Landmine Press","Push Press","Dumbbell Front Raise","Plate Front Raise"]},"scapular spinal part of deltoid muscle":{"origin":"Scapular spine","insertion":"Deltoid tuberosity of humerus","function":"Extends & externally rotates arm; draws arm behind body","exercises":["Rear Delt Fly","Face Pull","Reverse Pec Deck","Bent-Over Lateral Raise","Cable Rear Delt Fly","Band Pull-Apart","Prone Y Raise","Prone T Raise","Seated Rear Delt Fly","Chest-Supported Row"]},"supraspinatus muscle":{"origin":"Supraspinous fossa of scapula","insertion":"Superior facet of greater tubercle of humerus","function":"Initiates arm abduction (first 15°); compresses humeral head into glenoid","exercises":["Empty Can Raise","Full Can Raise","Side-Lying External Rotation","Band ER","Prone Y Raise","Wall Slide","Scaption Raise","Cable Abduction","DB Scaption","Rotator Cuff Band Circuit"]},"infraspinatus muscle":{"origin":"Infraspinous fossa of scapula","insertion":"Middle facet of greater tubercle of humerus","function":"External rotation of arm; posterior shoulder stabilizer; prevents anterior impingement","exercises":["Cable External Rotation","Side-Lying ER","Band ER at Side","90/90 External Rotation","Face Pull","Prone Y Raise","ER with Elbow at Side","Sleeper Stretch","Shoulder ER Circuit","Swiss Ball ER"]},"subscapularis muscle":{"origin":"Subscapular fossa (costal surface of scapula)","insertion":"Lesser tubercle of humerus","function":"Internal rotation & adduction of arm; primary anterior shoulder stabilizer","exercises":["Internal Rotation Cable","Band Internal Rotation","Push-Up Plus","Lat Pulldown","Bench Press","Sleeper Stretch","IR at 90 Degrees","Prone IR Hold","Dynamic Hug","Weighted IR"]},"teres major muscle":{"origin":"Inferior angle of scapula (posterior surface)","insertion":"Medial lip of bicipital groove of humerus","function":"Adducts, extends & internally rotates arm; works with lat","exercises":["Lat Pulldown","Pull-Up","Straight-Arm Pulldown","Bent-Over Row","Cable Row","DB Row","Chin-Up","Single-Arm Row","Renegade Row","Underhand Lat Pulldown"]},"teres minor muscle":{"origin":"Lateral border of scapula (upper two-thirds)","insertion":"Inferior facet of greater tubercle of humerus","function":"Externally rotates arm; assists in adduction; compresses glenohumeral joint","exercises":["Face Pull","Band External Rotation","Rear Delt Fly","Side-Lying ER","Cable ER","Prone Y-T Raise","90/90 ER Stretch","Rotator Cuff Circuit","ER with Weight","Shoulder Circuit"]},"coracobrachialis muscle":{"origin":"Coracoid process of scapula","insertion":"Medial surface of humerus (mid-shaft)","function":"Flexes & adducts arm at shoulder","exercises":["Cable Crossover High","Dumbbell Front Raise","Incline Curl","Shoulder Flexion Cable","Pec Deck","Cross-Body Stretch","Overhead Press","Cable Fly High","Incline Press","Front Raise Variation"]},"clavicular head of pectoralis major muscle":{"origin":"Clavicle (medial half)","insertion":"Lateral lip of bicipital groove","function":"Flexes & adducts arm; horizontal adduction at high angles","exercises":["Incline Bench Press","Incline Dumbbell Fly","Cable Crossover High-to-Low","Incline Push-Up","Low-to-High Cable Fly","Landmine Press","Incline DB Press","Guillotine Press","Incline Pec Deck","Cable Upper Chest Fly"]},"sternocostal head of pectoralis major muscle":{"origin":"Sternum & costal cartilages 1–6","insertion":"Lateral lip of bicipital groove","function":"Primary chest mover; adducts & medially rotates arm; horizontal adduction","exercises":["Bench Press","Dumbbell Fly","Push-Up","Cable Crossover","Dip","Pec Deck","Floor Press","Band Press","Low Cable Cross","Chest Press Machine"]},"(abdominal part of pectoralis major muscle)":{"origin":"External oblique aponeurosis","insertion":"Lateral lip of bicipital groove","function":"Depresses & adducts arm at low angles","exercises":["Decline Bench Press","Decline Fly","Cable Crossover Low-to-High","Decline Push-Up","Parallel Bar Dip","Decline DB Press","Ring Dip","Low Cable Cross","Hip Extension Push-Up","Dip with Forward Lean"]},"pectoralis minor muscle":{"origin":"Anterior surfaces of ribs 3–5","insertion":"Coracoid process of scapula","function":"Tilts scapula anteriorly; protracts & depresses shoulder","exercises":["Pec Minor Stretch","Doorway Stretch","Push-Up Plus","Corner Stretch","Foam Roll Chest","Thoracic Extension","Lying Pec Stretch","Overhead Reach","Serratus Anterior Slide","Band Crossover"]},"long head of biceps brachii":{"origin":"Supraglenoid tubercle of scapula (via long tendon through bicipital groove)","insertion":"Radial tuberosity & bicipital aponeurosis","function":"Flexes elbow; supinates forearm; assists shoulder flexion","exercises":["Barbell Curl","Dumbbell Curl","Hammer Curl","Chin-Up","Incline Dumbbell Curl","Cable Curl","Preacher Curl","Spider Curl","Concentration Curl","EZ-Bar Curl"]},"short head of biceps brachii":{"origin":"Coracoid process of scapula","insertion":"Radial tuberosity & bicipital aponeurosis","function":"Flexes elbow; supinates forearm; flexes shoulder; coracobrachialis synergist","exercises":["Preacher Curl","Cable Curl","Incline Dumbbell Curl","Close-Grip Barbell Curl","Machine Curl","Seated Alternating Curl","Wide-Grip Curl","Reverse Curl","Zottman Curl","Drag Curl"]},"lateral head of triceps brachii":{"origin":"Posterior humerus (proximal to radial groove)","insertion":"Olecranon of ulna via triceps tendon","function":"Extends elbow; primary visible \"horseshoe\" head","exercises":["Tricep Pushdown","Overhead Extension","Close-Grip Bench Press","Tricep Kickback","JM Press","Band Pushdown","Rope Pushdown","Reverse Grip Pushdown","Dip","Board Press"]},"long head of triceps brachii":{"origin":"Infraglenoid tubercle of scapula","insertion":"Olecranon of ulna via triceps tendon","function":"Extends elbow; adducts & extends shoulder; only tri head crossing shoulder joint","exercises":["Overhead Tricep Extension","Skull Crusher","Dip","Lying Tricep Extension","French Press","Cable Overhead Extension","Single-Arm OH Extension","Incline Skull Crusher","Tate Press","Tricep Press"]},"medial head of triceps brachii":{"origin":"Posterior humerus (distal to radial groove)","insertion":"Olecranon of ulna via triceps tendon","function":"Primary workhorse of elbow extension — active throughout all elbow extension","exercises":["Close-Grip Bench Press","Tricep Pushdown","Dip","Tricep Press","Parallel Dip","Pushdown All Angles","Board Press","Floor Press Tricep","Reverse Bench Press","Overhead Press"]},"brachialis muscle":{"origin":"Anterior surface of humerus (lower half)","insertion":"Coronoid process & ulnar tuberosity","function":"Primary elbow flexor regardless of forearm rotation; acts only at elbow","exercises":["Hammer Curl","Reverse Curl","Zottman Curl","Cross-Body Hammer Curl","Pinwheel Curl","Neutral-Grip Pull-Up","Rope Hammer Curl","Neutral DB Curl","Drag Curl","Slow Eccentric Curl"]},"brachioradialis muscle":{"origin":"Lateral supracondylar ridge of humerus","insertion":"Styloid process of radius","function":"Flexes elbow especially in neutral (semi-pronated) grip; bridges arm and forearm","exercises":["Hammer Curl","Reverse Curl","Zottman Curl","Neutral Pull-Up","Cross-Body Curl","Rope Curl","Reverse Barbell Curl","DB Hammer Curl","Reverse EZ-Bar Curl","Neutral Preacher Curl"]},"anconeus muscle":{"origin":"Lateral epicondyle of humerus (posterior surface)","insertion":"Olecranon & posterior ulna","function":"Assists triceps in elbow extension; stabilizes elbow joint","exercises":["Tricep Pushdown","Close-Grip Bench Press","Elbow Extension","Dip","Overhead Extension","Reverse Pushdown","Tricep Kickback","Pushdown with Pronation","Elbow Stability Training","Extension with Rotation"]},"flexor carpi radialis muscle":{"origin":"Medial epicondyle of humerus (common flexor origin)","insertion":"Bases of 2nd & 3rd metacarpals","function":"Flexes & abducts wrist (radial deviation)","exercises":["Wrist Curl","Barbell Wrist Curl","DB Wrist Curl","Cable Wrist Curl","Fingertip Push-Up","Rice Bucket Training","Gripping Exercises","Forearm Flexor Stretch","Barbell Rollout for Forearms","Wrist Roller"]},"flexor carpi ulnaris muscle":{"origin":"Medial epicondyle (humeral head) & posterior ulna (ulnar head)","insertion":"Pisiform, hamate & 5th metacarpal","function":"Flexes & adducts wrist (ulnar deviation)","exercises":["Ulnar Deviation Curl","DB Wrist Curl","Wrist Curl","Grip Squeeze","Rock Climbing Training","Forearm Roller","Hammer Wrist Curl","Ulnar Flexion with Band","Finger Curl","Plate Pinch"]},"palmaris longus muscle":{"origin":"Medial epicondyle of humerus","insertion":"Palmar aponeurosis & flexor retinaculum","function":"Flexes wrist; tenses palmar fascia; often absent (~14%)","exercises":["Wrist Flexion","Grip Exercises","Forearm Stretches","Wrist Roller","Palm Press","Flexor Stretch","Barbell Wrist Curl","Tendon Glide Exercises","Fingertip Push-Up","Monkey Bars"]},"flexor digitorum superficialis muscle":{"origin":"Medial epicondyle; ulnar collateral ligament; radius","insertion":"Middle phalanges of fingers 2–5 (palmar surface)","function":"Flexes fingers at PIP joints; assists wrist flexion; grip strength","exercises":["Finger Curl","Towel Pull-Up","Plate Pinch","Rice Bucket","Fingertip Push-Up","Wrist Roller","Rock Climbing","Deadlift","Farmer Carry","Grip Machine"]},"flexor digitorum profundus muscle":{"origin":"Proximal three-quarters of ulna & interosseous membrane","insertion":"Distal phalanges of fingers 2–5","function":"Flexes DIP joints (fingertip joints); only muscle that can flex distal finger joint","exercises":["Finger Tip Curl","Rock Climbing","Towel Pull-Up","Pinch Grip Deadlift","Rice Bucket","Gripper Exercises","Hanging Finger Flex","Dead Hang","Plate Pinch Curl","Fingertip Push-Up"]},"flexor pollicis longus muscle":{"origin":"Anterior radius & interosseous membrane","insertion":"Distal phalanx of thumb","function":"Flexes thumb at IP & MCP joints; essential for pinching","exercises":["Thumb Curls","Pinch Grip Training","Pinch Plate Carry","Thumb Resistance Exercises","Gripmaster","Rock Climbing","Putty Squeezing","Thumb Extension Stretch","Grip Trainer","Wrist Curl Variation"]},"extensor carpi radialis longus muscle":{"origin":"Lateral supracondylar ridge of humerus","insertion":"Base of 2nd metacarpal","function":"Extends & abducts wrist (radial deviation)","exercises":["Reverse Wrist Curl","Reverse Barbell Curl","Hammer Curl","Reverse Preacher Curl","Wrist Extension with Band","Rice Bucket","Reverse EZ-Bar Curl","Dumbbell Reverse Curl","Wrist Roller Reverse","Extensor Stretch"]},"extensor carpi radialis brevis muscle":{"origin":"Lateral epicondyle of humerus (common extensor origin)","insertion":"Base of 3rd metacarpal","function":"Extends & stabilizes wrist in neutral; most active wrist extensor in gripping","exercises":["Reverse Wrist Curl","Tennis Elbow Rehab","Reverse Curl","Tyler Twist","Wrist Extension Band","Therabar Exercises","Reverse Preacher Curl","Rice Bucket","Eccentric Wrist Extension","Wrist Roller"]},"extensor carpi ulnaris muscle":{"origin":"Lateral epicondyle & posterior border of ulna","insertion":"Base of 5th metacarpal","function":"Extends & adducts wrist (ulnar deviation)","exercises":["Ulnar Deviation Extension","Reverse Wrist Curl","Wrist Extension Ulnar","Band Ulnar Deviation","Wrist Roller","Rice Bucket Extension","Hammer Curl Variation","Reverse Hammer Curl","Forearm Supinator","Extensor Stretch"]},"extensor digitorum muscle":{"origin":"Lateral epicondyle of humerus (common extensor origin)","insertion":"Extensor expansions of fingers 2–5","function":"Extends fingers & wrist; spreads fingers apart","exercises":["Finger Extension with Band","Reverse Curl","Rice Bucket","Fingertip Extension Hold","Grip Training","Wrist Extension","Putty Finger Extension","Theraband Finger Extension","Towel Wringing","Extensor Strengthening"]},"extensor pollicis longus muscle":{"origin":"Posterior ulna & interosseous membrane","insertion":"Distal phalanx of thumb","function":"Extends thumb at IP & MCP joints; retropulsion of thumb","exercises":["Thumb Extension Exercises","Reverse Pinch Grip","Band Thumb Extension","Rice Bucket","Theraband Exercises","Thumb Abduction Hold","Pinch Training Reverse","Wrist Extension","Extensor Stretch","Grip Trainer"]},"supinator muscle":{"origin":"Lateral epicondyle, radial collateral ligament, supinator crest of ulna","insertion":"Posterior & lateral proximal radius","function":"Supinates forearm (turns palm up); dominant supinator when elbow extended","exercises":["Dumbbell Supination Curl","Zottman Curl","Reverse-to-Supination Curl","Hammer to Supinated Curl","Band Supination","Forearm Supination with DB","Screwdriver Motion","Supination Strengthening","Wrist Roller Supination","Bicep Curl Supinated"]},"pronator teres muscle":{"origin":"Humeral head: medial epicondyle; ulnar head: coronoid process","insertion":"Lateral radius (midshaft)","function":"Pronates forearm (turns palm down); assists elbow flexion","exercises":["Pronation Curl","Reverse Curl","Wrist Roller Pronation","Band Pronation","Zottman Curl Reverse Phase","Forearm Pronation DB","Pronation with Therabar","Push-Up Hand Rotation","Screwdriver Reverse","Pronation Strengthening"]},"pronator quadratus muscle":{"origin":"Distal anterior ulna","insertion":"Distal anterior radius","function":"Primary forearm pronator (especially at full extension); binds radius & ulna","exercises":["Wrist Pronation Band","Forearm Rotation Exercise","Therabar Rotation","Pronation Strengthening","Band Forearm Rotation","Supination-Pronation DB","Wrist Roller","Grip Stability Training","Forearm Circuit","Pronator Rehab"]},"latissimus dorsi muscle":{"origin":"T6–T12 spinous processes, thoracolumbar fascia, iliac crest, lower 3–4 ribs, inferior scapula","insertion":"Floor of bicipital groove of humerus","function":"Extends, adducts & internally rotates arm; depresses shoulder girdle; assists trunk lateral flexion","exercises":["Pull-Up","Lat Pulldown","Bent-Over Row","Straight-Arm Pulldown","Deadlift","Cable Row","Single-Arm DB Row","Renegade Row","Chest-Supported Row","Meadows Row"]},"rhomboid major muscle":{"origin":"T2–T5 spinous processes","insertion":"Medial border of scapula (between spine & inferior angle)","function":"Retracts & elevates scapula; rotates scapula downward","exercises":["Face Pull","Seated Row","Band Pull-Apart","Rear Delt Fly","Prone Y Raise","Scapular Retraction","T-Bar Row","Chest-Supported Row","Cable Face Pull","Low Row"]},"rhomboid minor muscle":{"origin":"C7–T1 spinous processes & ligamentum nuchae","insertion":"Medial border of scapula (at root of spine)","function":"Retracts & elevates scapula; rotates scapula downward","exercises":["Band Pull-Apart","Face Pull","Seated Row","Prone T Raise","Scapular Wall Slide","Retraction Hold","Cable Low Row","Chest-Supported Row","DB Prone Row","Rear Delt Machine"]},"levator scapulae":{"origin":"C1–C4 transverse processes (posterior tubercles)","insertion":"Superior angle of scapula (medial border)","function":"Elevates scapula; rotates scapula downward; laterally flexes cervical spine","exercises":["Neck Side Bend","Shrug","Neck Stretch","Levator Scapulae Stretch","Corner Neck Stretch","Shoulder Roll","Trap Bar Shrug","Farmer Carry","Overhead Carry","Neck Tilt Stretch"]},"serratus anterior muscle":{"origin":"Ribs 1–9 (outer surfaces & upper borders)","insertion":"Costal surface of scapula (anterior medial border)","function":"Protracts scapula; rotates scapula upward; holds scapula flat against thorax; \"boxing muscle\"","exercises":["Push-Up Plus","Serratus Crunch","Overhead Press","Ab Wheel Rollout","Serratus Anterior Punch","Plank with Protraction","Scapular Push-Up","Landmine Press","Cable Punch","Wall Slide"]},"rectus abdominis muscle":{"origin":"Pubic crest & symphysis pubis","insertion":"Xiphoid process & costal cartilages 5–7","function":"Flexes lumbar spine; compresses abdomen; posterior pelvic tilt","exercises":["Crunch","Sit-Up","Hanging Leg Raise","Ab Wheel Rollout","Cable Crunch","Decline Crunch","Reverse Crunch","Dragon Flag","Bicycle Crunch","Hollow Body Hold"]},"external abdominal oblique muscle":{"origin":"External surfaces of ribs 5–12","insertion":"Linea alba, pubic tubercle, anterior iliac crest","function":"Ipsilateral lateral flexion; contralateral rotation; trunk flexion","exercises":["Russian Twist","Side Plank","Woodchop","Oblique Crunch","Landmine Rotation","Pallof Press","Bicycle Crunch","Cable Woodchop","Side Bend","Lateral Crunch"]},"internal abdominal oblique muscle":{"origin":"Thoracolumbar fascia, inguinal ligament, iliac crest (anterior two-thirds)","insertion":"Ribs 9–12, linea alba, pubic crest","function":"Ipsilateral rotation & lateral flexion; trunk flexion; increases intra-abdominal pressure","exercises":["Side Plank","Russian Twist","Pallof Press","Landmine Rotation","Cable Woodchop Reverse","Side Crunch","Bicycle Crunch","Rotational Crunch","Standing Side Bend","Copenhagen Plank"]},"transversus abdominis muscle":{"origin":"Iliac crest, inguinal ligament, thoracolumbar fascia, lower 6 costal cartilages","insertion":"Linea alba & pubic crest via aponeurosis","function":"Deep core compression; increases intra-abdominal pressure; stabilizes lumbar spine & pelvis","exercises":["Dead Bug","Hollow Body Hold","Plank","Bird Dog","Abdominal Vacuum","Diaphragmatic Breathing","Pallof Press","McGill Curl-Up","Stability Ball Rollout","Bear Crawl"]},"diaphragm":{"origin":"Xiphoid process, inner surfaces of lower 6 ribs, lumbar vertebrae L1–L3 & arcuate ligaments","insertion":"Central tendon","function":"Primary breathing muscle; contracts to flatten & descend for inhalation; intra-abdominal pressure regulation","exercises":["Diaphragmatic Breathing","Box Breathing","Crocodile Breathing","Pilates Breathing","Resistance Breathing","Singing Training","90/90 Hip Lift","Hummingbird Exhale","PRI Breathing","Prone Breathing"]},"quadratus lumborum muscle":{"origin":"Posterior iliac crest & iliolumbar ligament","insertion":"12th rib & lumbar transverse processes L1–L4","function":"Lateral trunk flexion; elevates ipsilateral hip; stabilizes lumbar spine; depresses 12th rib in forced expiration","exercises":["Side Plank","QL Stretch","Lateral Band Walk","Hip Hike","Suitcase Carry","Side-Lying Hip Abduction","Lateral Flexion with DB","Hip Drop Exercise","Quadratus Lumborum Stretch","Bird Dog"]},"external intercostal muscles":{"origin":"Inferior border of each rib","insertion":"Superior border of rib below (angled forward-downward)","function":"Elevates ribs during inhalation (bucket-handle motion); supports thoracic wall","exercises":["Deep Breathing","Rib Expansion Stretch","Thoracic Mobility","Intercostal Stretch","Side Stretch","Overhead Reach Breathing","Singing Warm-Up","Wind Instrument Playing","Lateral Rib Stretch","Box Breathing"]},"internal intercostal muscles":{"origin":"Inner surface of each rib (costal groove)","insertion":"Superior border of rib below (angled backward-downward)","function":"Depresses ribs in forced exhalation; 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elevates ribs","exercises":["Back Extension","Romanian Deadlift","Good Morning","Bird Dog","Deadlift","Superman Hold","Hyperextension","McGill Side Bridge","Cat-Cow","Reverse Hyperextension"]},"semispinalis thoracis muscle":{"origin":"Transverse processes T6–T10","insertion":"Spinous processes C6–T4","function":"Extends & contralaterally rotates thoracic & cervical spine","exercises":["Back Extension","Thoracic Rotation","Cat-Cow","Foam Roll Thoracic","Face Pull","Prone Cobra","Thoracic Extension Stretch","Segmental Cat-Cow","Thoracic Rotation Stretch","Rotational Band Row"]},"multifidus lumborum muscle":{"origin":"Posterior sacrum, iliac crest, PSIS, lumbar transverse processes, thoracolumbar fascia","insertion":"Spinous processes 2–4 levels above","function":"Primary lumbar stabilizer; controls segmental motion; critical for low back health","exercises":["Bird Dog","Dead Bug","Plank","Back Extension","McGill Big 3","Cat-Cow","Quadruped Hover","Pallof Press","Glute Bridge Hold","Single-Leg Deadlift"]},"multifidus thoracis muscle":{"origin":"Thoracic transverse processes","insertion":"Spinous processes 2–4 levels above origin","function":"Extends & contralaterally rotates thoracic segments; local stabilizer","exercises":["Bird Dog","Thoracic Extension","Cat-Cow","Prone Cobra","Back Extension","Foam Roll Thoracic","Seated Rotation","Rotational Plank","Thoracic Mobility Drill","Segmental Extension"]},"spinalis thoracis muscle":{"origin":"T10–L2 spinous processes","insertion":"T2–T8 spinous processes","function":"Extends thoracic spine; medial column of erector spinae","exercises":["Back Extension","Deadlift","Good Morning","Prone Cobra","Superman","Thoracic Extension Foam Roll","Romanian Deadlift","Cat-Cow","Hyperextension","Thoracic Spine Mobility"]},"gluteus maximus muscle":{"origin":"Posterior ilium, sacrum, coccyx, sacrotuberous ligament, thoracolumbar fascia","insertion":"Iliotibial band & gluteal tuberosity of femur","function":"Hip extension, external rotation & abduction; most powerful single muscle; essential for running & climbing","exercises":["Hip Thrust","Romanian Deadlift","Squat","Lunge","Glute Bridge","Step-Up","Deadlift","Cable Kickback","Donkey Kick","Bulgarian Split Squat"]},"gluteus medius muscle":{"origin":"External surface of ilium (between anterior & posterior gluteal lines)","insertion":"Lateral surface of greater trochanter","function":"Hip abduction; pelvic stabilization during single-leg stance; anterior fibers: internal rotation","exercises":["Lateral Band Walk","Clamshell","Cable Hip Abduction","Single-Leg Squat","Hip Thrust","Side-Lying Abduction","Monster Walk","Hip Airplane","Single-Leg Deadlift","Copenhagen Plank"]},"gluteus minimus muscle":{"origin":"External surface of ilium (between anterior & inferior gluteal lines)","insertion":"Anterior surface of greater trochanter","function":"Hip abduction & internal rotation; pelvic stabilization","exercises":["Clamshell","Fire Hydrant","Cable Hip Abduction","Hip Thrust","Side-Lying Abduction","Monster Walk","Internal Hip Rotation Band","Seated Hip Abduction Machine","Single-Leg Wall Sit","Lateral Step-Up"]},"piriformis muscle":{"origin":"Anterior surface of sacrum (S2–S4)","insertion":"Apex of greater trochanter","function":"External hip rotation; abduction when hip flexed; sciatic nerve neighbor","exercises":["Pigeon Stretch","Figure-Four Stretch","Hip External Rotation Band","Clamshell","Fire Hydrant","ER Hip Stretch","Piriformis Foam Roll","Hip Crossover Stretch","Figure-4 Bridge","Seated Piriformis Stretch"]},"iliacus muscle":{"origin":"Superior two-thirds of iliac fossa","insertion":"Lesser trochanter of femur (merges with psoas tendon)","function":"Flexes hip; stabilizes pelvis; posture maintenance","exercises":["Hip Flexor Stretch","Hanging Leg Raise","Step-Up","Lunge","Hip Flexion Cable","Reverse Crunch","Psoas Stretch","Couch Stretch","Standing Hip Flexion","Mountain Climber"]},"psoas major":{"origin":"T12–L5 vertebral bodies & discs","insertion":"Lesser trochanter of femur","function":"Powerful hip flexor, stabilizes lumbar spine","exercises":["Hip Flexor Stretch","Leg Raise","Lunge","Step-Up","Deadlift"]},"tensor fasciae latae muscle":{"origin":"Anterior superior iliac spine & iliac crest","insertion":"IT band (proximal third)","function":"Flexes, abducts & internally rotates hip; tenses IT band; assists knee extension","exercises":["IT Band Stretch","Lateral Band Walk","Hip Abduction","TFL Foam Roll","Hip Flexor Stretch","Side-Lying Abduction","Clamshell","Standing Hip Abduction","Monster Walk","Step-Up with Abduction"]},"rectus femoris muscle":{"origin":"Anterior inferior iliac spine & acetabulum","insertion":"Tibial tuberosity via patella","function":"Extends knee & flexes hip","exercises":["Squat","Leg Extension","Lunge","Leg Press","Sprint"]},"vastus lateralis muscle":{"origin":"Greater trochanter & lateral linea aspera of femur","insertion":"Tibial tuberosity via patella","function":"Extends knee","exercises":["Squat","Leg Press","Leg Extension","Lunge","Step-Up"]},"vastus medialis muscle":{"origin":"Medial linea aspera of femur","insertion":"Tibial tuberosity via patella","function":"Extends knee, stabilizes patella (VMO)","exercises":["Terminal Knee Extension","Leg Extension","Squat","Step-Up","Wall Sit"]},"vastus intermedius muscle":{"origin":"Anterior & lateral femoral shaft","insertion":"Tibial tuberosity via patella","function":"Extends knee","exercises":["Leg Press","Squat","Leg Extension"]},"long head of biceps femoris":{"origin":"Ischial tuberosity","insertion":"Head of fibula & lateral tibial condyle","function":"Extends hip & flexes knee","exercises":["Romanian Deadlift","Leg Curl","Good Morning","Nordic Curl"]},"short head of biceps femoris":{"origin":"Lateral linea aspera of femur","insertion":"Head of fibula","function":"Flexes knee","exercises":["Leg Curl","Nordic Curl","Sprinting"]},"semimembranosus muscle":{"origin":"Ischial tuberosity","insertion":"Medial tibial condyle","function":"Extends hip, flexes & internally rotates knee","exercises":["Romanian Deadlift","Leg Curl","Good Morning","Nordic Curl"]},"semitendinosus muscle":{"origin":"Ischial tuberosity","insertion":"Medial surface of proximal tibia (pes anserinus)","function":"Extends hip, flexes & internally rotates knee","exercises":["Romanian Deadlift","Leg Curl","Nordic Curl"]},"sartorius muscle":{"origin":"Anterior superior iliac spine","insertion":"Medial surface of proximal tibia (pes anserinus)","function":"Flexes, abducts & externally rotates hip; flexes knee","exercises":["Hip Flexor Stretch","Lunge","Squat","Hip Abduction"]},"gracilis muscle":{"origin":"Inferior pubic ramus","insertion":"Medial surface of proximal tibia (pes anserinus)","function":"Adducts thigh, flexes & internally rotates knee","exercises":["Sumo Squat","Inner Thigh Squeeze","Adductor Machine","Copenhagen Plank"]},"adductor longus":{"origin":"Body of pubis","insertion":"Linea aspera of femur (middle third)","function":"Adducts & flexes thigh","exercises":["Sumo Squat","Adductor Machine","Copenhagen Plank","Side Lunge"]},"adductor brevis muscle":{"origin":"Body & inferior ramus of pubis","insertion":"Pectineal line & proximal linea aspera","function":"Adducts & flexes thigh","exercises":["Adductor Machine","Sumo Squat","Copenhagen Plank","Cable Adduction","Ball Squeeze","Side Lunge","Lateral Lunge","Butterfly Stretch","Pilates Inner Thigh Lift","Seated Hip Adduction"]},"adductor magnus":{"origin":"Inferior pubic ramus, ischial tuberosity","insertion":"Linea aspera & adductor tubercle of femur","function":"Adducts thigh; extends hip (hamstring portion)","exercises":["Romanian Deadlift","Sumo Squat","Adductor Machine","Copenhagen Plank"]},"pectineus muscle":{"origin":"Pectineal line of pubis","insertion":"Pectineal line of femur (below lesser trochanter)","function":"Adducts & flexes hip; assists medial rotation","exercises":["Sumo Squat","Adductor Machine","Hip Adduction Stretch","Butterfly Stretch","Side Lunge","Cable Hip Adduction","Copenhagen Plank","Pilates Inner Thigh","Lateral Lunge","Ball Between Knees Squeeze"]},"lateral head of gastrocnemius":{"origin":"Lateral femoral condyle","insertion":"Calcaneus via Achilles tendon","function":"Plantar flexes ankle, assists knee flexion","exercises":["Standing Calf Raise","Sprint","Jump Rope","Box Jump"]},"medial head of gastrocnemius":{"origin":"Medial femoral condyle","insertion":"Calcaneus via Achilles tendon","function":"Plantar flexes ankle, assists knee flexion","exercises":["Standing Calf Raise","Sprint","Jump Rope","Smith Machine Calf Raise"]},"soleus muscle":{"origin":"Posterior head of fibula & soleal line of tibia","insertion":"Calcaneus via Achilles tendon","function":"Plantar flexes ankle (key postural stabilizer)","exercises":["Seated Calf Raise","Bent-Knee Calf Raise","Jump Rope"]},"plantaris muscle":{"origin":"Lateral supracondylar line of femur","insertion":"Posterior calcaneus (medial to Achilles)","function":"Weak plantar flexion; assists knee flexion; proprioceptive role","exercises":["Calf Raise","Jumping","Sprinting","Yoga Balance Poses","Single-Leg Standing","Stair Walking","Jump Rope","Box Jump","Lateral Jump","Balance Training"]},"tibialis anterior muscle":{"origin":"Lateral tibial condyle & upper tibia","insertion":"Medial cuneiform & first metatarsal","function":"Dorsiflexes & inverts foot","exercises":["Toe Raise","Tibialis Raise","Walk on Heels","Resistance Band Dorsiflexion"]},"tibialis posterior muscle":{"origin":"Posterior tibia & fibula","insertion":"Navicular, cuneiforms, metatarsals 2–4","function":"Plantar flexes & inverts foot, supports arch","exercises":["Single-Leg Calf Raise","Tibialis Posterior Raise","Band Inversion"]},"fibularis longus muscle":{"origin":"Head & upper fibula","insertion":"Medial cuneiform & first metatarsal (plantar)","function":"Everts foot, plantar flexes ankle, supports arch","exercises":["Band Eversion","Single-Leg Balance","Calf Raise","Lateral Ankle Strengthening"]},"fibularis brevis muscle":{"origin":"Lower two-thirds of fibula (lateral surface)","insertion":"Styloid process of base of 5th metatarsal","function":"Everts foot; plantar flexion; stabilizes lateral ankle","exercises":["Band Eversion","Lateral Ankle Strengthening","Peroneal Curl","Single-Leg Balance","Ankle Eversion Resistance","Wobble Board","Calf Raise Lateral","Balance Training","Lateral Step-Up","Ankle Proprioception"]},"popliteus muscle":{"origin":"Lateral femoral condyle (outer surface) & lateral meniscus","insertion":"Posterior tibial surface (above soleal line)","function":"\"Unlocks\" knee from terminal extension; rotates tibia medially; knee stability","exercises":["Terminal Knee Extension","Seated Knee Flexion","Hamstring Curl","Knee Stability Training","Single-Leg Squat","Balance Training","Step Down Exercise","Reverse Lunge","Lateral Squat","Tibial Rotation Exercise"]},"extensor digitorum longus muscle":{"origin":"Lateral tibial condyle; anterior fibula; interosseous membrane","insertion":"Extensor expansions of toes 2–5","function":"Extends toes; dorsiflexes ankle; everts foot","exercises":["Toe Extension with Band","Walk on Heels","Toe Raise","Dorsiflexion Exercise","Ankle Strengthening","Marble Picking","Towel Curl Reverse","Band Toe Extension","Short Foot Exercise","Ankle Mobility Drill"]},"flexor digitorum longus muscle":{"origin":"Posterior tibial surface (medial to vertical line)","insertion":"Distal phalanges of toes 2–5","function":"Flexes toes; 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Secondary: hamstrings","benefits":"Strengthens posterior chain and corrects posture"},{"name":"Bodyweight Squat","cat":"legs","category":"strength","difficulty":"easy","sets":4,"reps":"20","caloriesBurned":55,"musclesFocus":"Primary: quads, glutes. Secondary: hamstrings, core","benefits":"Foundational lower body strength"},{"name":"Dead Bug","cat":"core","category":"strength","difficulty":"easy","sets":4,"reps":"12 each side","caloriesBurned":30,"musclesFocus":"Primary: transverse abdominis. Secondary: hip flexors","benefits":"Core stability without loading the spine"},{"name":"Push-Up","cat":"chest","category":"strength","difficulty":"easy","sets":4,"reps":"20","caloriesBurned":65,"musclesFocus":"Primary: pectorals, deltoids. Secondary: triceps, core","benefits":"Upper body pressing strength with zero equipment"},{"name":"Glute Bridge","cat":"glutes","category":"strength","difficulty":"easy","sets":4,"reps":"20","caloriesBurned":42,"musclesFocus":"Primary: gluteus maximus. Secondary: hamstrings, core","benefits":"Activates glutes, relieves lower back"},{"name":"Mountain Climbers","cat":"cardio","category":"cardio","difficulty":"medium","sets":4,"reps":"30s","duration":30,"caloriesBurned":95,"musclesFocus":"Primary: core, hip flexors. Secondary: shoulders, quads","benefits":"Elevates heart rate and trains core simultaneously"},{"name":"Burpees","cat":"hiit","category":"hiit","difficulty":"hard","sets":4,"reps":"20","caloriesBurned":140,"musclesFocus":"Full body compound","benefits":"Maximum calorie burn, cardiovascular conditioning"},{"name":"Hip Thrust","cat":"glutes","category":"strength","difficulty":"medium","sets":4,"reps":"15","caloriesBurned":70,"musclesFocus":"Primary: gluteus maximus. Secondary: hamstrings, core","benefits":"Most effective glute development exercise"},{"name":"Plank Hold","cat":"core","category":"strength","difficulty":"easy","sets":4,"reps":"60s","duration":60,"caloriesBurned":25,"musclesFocus":"Primary: transverse abdominis. Secondary: glutes, shoulders","benefits":"Core endurance foundation for all exercises"},{"name":"High Knees","cat":"cardio","category":"cardio","difficulty":"medium","sets":4,"reps":"30s","duration":30,"caloriesBurned":90,"musclesFocus":"Primary: hip flexors, quads. Secondary: core, calves","benefits":"Rapidly elevates heart rate, running mechanics"},{"name":"Warrior Flow (Yoga)","cat":"yoga","category":"flexibility","difficulty":"easy","sets":4,"reps":"5 each side","caloriesBurned":35,"musclesFocus":"Hip flexors, hamstrings, core, shoulders","benefits":"Flexibility, balance, stress relief"},{"name":"Plié Squat (Ballet)","cat":"ballet","category":"strength","difficulty":"easy","sets":4,"reps":"20","caloriesBurned":48,"musclesFocus":"Primary: adductors, quads, glutes. Secondary: calves","benefits":"Inner thigh tone, turnout, posture"},{"name":"Box Jump","cat":"power","category":"power","difficulty":"hard","sets":4,"reps":"10","caloriesBurned":120,"musclesFocus":"Primary: quads, glutes. Secondary: calves, core","benefits":"Explosive lower body power"},{"name":"Seated Hip Flexor Stretch","cat":"mobility","category":"mobility","difficulty":"beginner","sets":2,"reps":"30s","caloriesBurned":10,"musclesFocus":"Primary: Hip Flexor. Secondary: Lower Back","benefits":"Improves flexibility and reduces lower back tension"},{"name":"Leg Swings","cat":"mobility","category":"mobility","difficulty":"beginner","sets":3,"reps":"30s each","caloriesBurned":20,"musclesFocus":"Primary: Hip Flexor, Hamstrings, Glutes. Secondary: Core","benefits":"Improves flexibility, strength, and coordination"},{"name":"Shoulder Rolls","cat":"mobility","category":"mobility","difficulty":"beginner","sets":3,"reps":"10 each side","caloriesBurned":15,"musclesFocus":"Primary: Shoulders, Upper Back. Secondary: Core","benefits":"Improves flexibility and reduces tension in the shoulders"},{"name":"Chest Stretch","cat":"mobility","category":"mobility","difficulty":"beginner","sets":2,"reps":"30s","caloriesBurned":10,"musclesFocus":"Primary: Chest. Secondary: Shoulders","benefits":"Improves flexibility and reduces tension in the chest"},{"name":"Quad Stretch","cat":"mobility","category":"mobility","difficulty":"beginner","sets":2,"reps":"30s each side","caloriesBurned":10,"musclesFocus":"Primary: Quads, Hamstrings. Secondary: Core","benefits":"Improves flexibility and reduces tension in the legs"},{"name":"Weighted Side Lunge March","cat":"legs","category":"strength","difficulty":"easy","sets":4,"reps":"30s","caloriesBurned":40,"musclesFocus":"Primary: Lower Leg, Hip Flexors. 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essential for neck pain rehab"},{"name":"Scalene Stretch","cat":"neck","category":"mobility","difficulty":"easy","sets":2,"reps":"30s each side","caloriesBurned":6,"musclesFocus":"Primary: scalenes, SCM","benefits":"Relieves neck tension and thoracic outlet tightness"},{"name":"Suboccipital Release","cat":"neck","category":"mobility","difficulty":"easy","sets":1,"reps":"60s","caloriesBurned":5,"musclesFocus":"Primary: suboccipital muscles","benefits":"Relieves headaches and upper cervical tension"},{"name":"Jaw Resistance Press","cat":"jaw","category":"strength","difficulty":"easy","sets":3,"reps":"10","caloriesBurned":8,"musclesFocus":"Primary: masseter, temporalis","benefits":"Jaw strength and masticatory muscle development"},{"name":"Jaw Opening Resistance","cat":"jaw","category":"rehabilitation","difficulty":"easy","sets":3,"reps":"10","caloriesBurned":6,"musclesFocus":"Primary: lateral pterygoid, digastric","benefits":"TMJ mobility and pterygoid strengthening"},{"name":"Lateral Jaw Slide","cat":"jaw","category":"mobility","difficulty":"easy","sets":3,"reps":"10 each side","caloriesBurned":5,"musclesFocus":"Primary: lateral pterygoid, medial pterygoid","benefits":"TMJ health and lateral jaw mobility"},{"name":"Face Yoga Lift","cat":"face","category":"mobility","difficulty":"easy","sets":2,"reps":"5 each expression","caloriesBurned":5,"musclesFocus":"Primary: zygomaticus, orbicularis oris, frontalis","benefits":"Facial muscle tone and lymphatic circulation"},{"name":"Mewing Tongue Posture","cat":"jaw","category":"rehabilitation","difficulty":"easy","sets":1,"reps":"sustained practice","caloriesBurned":3,"musclesFocus":"Primary: masseter, suprahyoids, tongue","benefits":"Maxillofacial development and airways support"},{"name":"Wrist Curl","cat":"forearms","category":"strength","difficulty":"easy","sets":3,"reps":"15–20","caloriesBurned":20,"musclesFocus":"Primary: flexor carpi radialis, flexor carpi ulnaris","benefits":"Grip strength and forearm size"},{"name":"Reverse Wrist Curl","cat":"forearms","category":"strength","difficulty":"easy","sets":3,"reps":"15","caloriesBurned":20,"musclesFocus":"Primary: extensor carpi radialis longus/brevis, extensor carpi ulnaris","benefits":"Forearm balance and elbow health"},{"name":"Farmer's Carry","cat":"forearms","category":"strength","difficulty":"medium","sets":3,"reps":"30m walk","caloriesBurned":60,"musclesFocus":"Primary: grip, forearms, traps, core","benefits":"Functional grip strength and full body stability"},{"name":"Wrist Roller","cat":"forearms","category":"strength","difficulty":"medium","sets":3,"reps":"3 rolls each direction","caloriesBurned":35,"musclesFocus":"Primary: all forearm flexors and extensors","benefits":"Complete forearm development and grip endurance"},{"name":"Reverse Barbell Curl","cat":"forearms","category":"strength","difficulty":"medium","sets":3,"reps":"10–12","caloriesBurned":40,"musclesFocus":"Primary: brachioradialis, extensor carpi radialis, extensor digitorum","benefits":"Forearm extensor & brachioradialis development"},{"name":"Zottman Curl","cat":"forearms","category":"strength","difficulty":"medium","sets":3,"reps":"10","caloriesBurned":45,"musclesFocus":"Primary: biceps (supinated), brachioradialis (pronated), brachialis","benefits":"Trains both flexion phases — bicep up, forearm extensor down"},{"name":"Plate Pinch Carry","cat":"forearms","category":"strength","difficulty":"hard","sets":3,"reps":"20s hold","caloriesBurned":30,"musclesFocus":"Primary: thumb flexors, all forearm flexors","benefits":"Pinch grip and thumb strength"},{"name":"Dead Hang","cat":"forearms","category":"strength","difficulty":"medium","sets":3,"reps":"30–60s","caloriesBurned":25,"musclesFocus":"Primary: finger flexors, forearms. 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Secondary: TFL","benefits":"Hip abductor isolation in functional standing position"},{"name":"Straight-Arm Cable Pushdown","cat":"back","category":"strength","difficulty":"easy","sets":3,"reps":"15","caloriesBurned":42,"musclesFocus":"Primary: latissimus dorsi, teres major. Secondary: serratus anterior","benefits":"Lat isolation without bicep involvement"},{"name":"Wide-Grip Bench Press","cat":"chest","category":"strength","difficulty":"medium","sets":4,"reps":"8","caloriesBurned":110,"musclesFocus":"Primary: pectorals outer. Secondary: anterior delt","benefits":"Wide grip emphasises pectoral stretch and outer chest"},{"name":"Low-Bar Squat","cat":"legs","category":"strength","difficulty":"hard","sets":4,"reps":"5","caloriesBurned":125,"musclesFocus":"Primary: glutes, hamstrings. Secondary: quads, erectors","benefits":"Powerlifting squat — hip-dominant, allows more weight"},{"name":"High-Bar Squat","cat":"legs","category":"strength","difficulty":"hard","sets":4,"reps":"6","caloriesBurned":120,"musclesFocus":"Primary: quads, glutes. Secondary: hamstrings, core","benefits":"Olympic weightlifting squat — more upright, more quad"},{"name":"Belt Squat","cat":"legs","category":"strength","difficulty":"medium","sets":4,"reps":"12","caloriesBurned":105,"musclesFocus":"Primary: quads, glutes. Secondary: hamstrings","benefits":"Spinal deloading quad squat — useful after lower back fatigue"},{"name":"Dumbbell Pullover","cat":"back","category":"strength","difficulty":"medium","sets":3,"reps":"12","caloriesBurned":60,"musclesFocus":"Primary: lats, pec minor. Secondary: serratus anterior, triceps","benefits":"Lat stretch and expansion — classic bodybuilding chest-back hybrid"},{"name":"Heels-Elevated Squat","cat":"legs","category":"strength","difficulty":"medium","sets":4,"reps":"12","caloriesBurned":95,"musclesFocus":"Primary: quads especially VMO. Secondary: glutes","benefits":"Heel raise increases quad dominance and squat depth"},{"name":"GHD Sit-Up","cat":"core","category":"strength","difficulty":"hard","sets":3,"reps":"12","caloriesBurned":65,"musclesFocus":"Primary: hip flexors, rectus abdominis. Secondary: quads","benefits":"Full-range hip flexion and ab power — CrossFit staple"},{"name":"Jefferson Deadlift","cat":"back","category":"strength","difficulty":"medium","sets":3,"reps":"8 each","caloriesBurned":100,"musclesFocus":"Primary: adductors, erectors. Secondary: quads, glutes, lats","benefits":"Straddle deadlift — unique asymmetrical loading"},{"name":"Cossack Squat","cat":"legs","category":"mobility","difficulty":"medium","sets":3,"reps":"8 each","caloriesBurned":55,"musclesFocus":"Primary: adductors, quads. Secondary: glutes, ankle dorsiflexors","benefits":"Deep lateral lunge — extreme hip and ankle mobility"},{"name":"Reverse Lunge with Knee Drive","cat":"legs","category":"power","difficulty":"medium","sets":3,"reps":"10 each","caloriesBurned":85,"musclesFocus":"Primary: quads, glutes, hip flexors. Secondary: calves, core","benefits":"Lunge with hip flexion finish — athletic deceleration and drive"},{"name":"Back Extension Rotation","cat":"back","category":"strength","difficulty":"medium","sets":3,"reps":"10 each","caloriesBurned":45,"musclesFocus":"Primary: erectors, semispinalis. Secondary: obliques, glutes","benefits":"Rotational back extension adds thoracic mobility to posterior chain"},{"name":"Kettlebell Windmill","cat":"core","category":"strength","difficulty":"hard","sets":3,"reps":"6 each","caloriesBurned":55,"musclesFocus":"Primary: obliques, shoulder stabilizers. Secondary: hamstrings, glutes","benefits":"Full-body lateral stability and hip hinge coordination"},{"name":"Turkish Get-Up","cat":"core","category":"strength","difficulty":"hard","sets":3,"reps":"3 each side","caloriesBurned":70,"musclesFocus":"Primary: core, shoulders. Secondary: glutes, hips, quads","benefits":"Foundational movement quality and full-body stability"},{"name":"Dumbbell Snatch","cat":"power","category":"power","difficulty":"hard","sets":4,"reps":"5 each","caloriesBurned":110,"musclesFocus":"Primary: traps, deltoids, glutes. Secondary: core, forearms","benefits":"Single-arm Olympic lifting for power and coordination"},{"name":"Cervical Traction Self","cat":"neck","category":"rehabilitation","difficulty":"easy","sets":2,"reps":"60s","caloriesBurned":4,"musclesFocus":"Primary: cervical discs, cervical extensors","benefits":"Cervical decompression for disc herniation and neck pain relief"},{"name":"Neck Lateral Isometric Hold","cat":"neck","category":"strength","difficulty":"easy","sets":3,"reps":"10s each","caloriesBurned":10,"musclesFocus":"Primary: scalenes, SCM, levator scapulae","benefits":"Lateral neck strength for contact sport protection"},{"name":"Suboccipital Self Stretch","cat":"neck","category":"mobility","difficulty":"easy","sets":2,"reps":"30s","caloriesBurned":4,"musclesFocus":"Primary: suboccipital muscles, rectus capitis","benefits":"Headache relief and atlanto-occipital tension release"},{"name":"Cervical Rotation Mobilisation","cat":"neck","category":"mobility","difficulty":"easy","sets":2,"reps":"10 each","caloriesBurned":5,"musclesFocus":"Primary: SCM, splenius cervicis, scalenes","benefits":"Neck rotation ROM and stiffness reduction"},{"name":"Neck Bridge","cat":"neck","category":"strength","difficulty":"hard","sets":3,"reps":"30s","caloriesBurned":25,"musclesFocus":"Primary: all neck muscles, cervical extensors. Secondary: upper back","benefits":"Wrestler neck strength — extreme cervical conditioning"},{"name":"IT Band Stretch","cat":"mobility","category":"mobility","difficulty":"easy","sets":2,"reps":"30s each","caloriesBurned":5,"musclesFocus":"Primary: TFL, IT band, glute medius","benefits":"Lateral knee pain prevention and runner knee rehab"},{"name":"Groin Stretch","cat":"mobility","category":"mobility","difficulty":"easy","sets":2,"reps":"30s","caloriesBurned":5,"musclesFocus":"Primary: adductors, hip external rotators","benefits":"Groin flexibility for squatting and lateral movements"},{"name":"Wrist Flexor Stretch","cat":"forearms","category":"mobility","difficulty":"easy","sets":2,"reps":"30s each","caloriesBurned":4,"musclesFocus":"Primary: flexor carpi radialis, flexor carpi ulnaris, palmaris longus","benefits":"Forearm flexor lengthening — essential before and after lifting"},{"name":"Wrist Extensor Stretch","cat":"forearms","category":"mobility","difficulty":"easy","sets":2,"reps":"30s each","caloriesBurned":4,"musclesFocus":"Primary: extensor carpi radialis, extensor digitorum","benefits":"Tennis elbow prevention and forearm extensor flexibility"},{"name":"Ankle Dorsiflexion Stretch","cat":"legs","category":"mobility","difficulty":"easy","sets":2,"reps":"30s each","caloriesBurned":4,"musclesFocus":"Primary: gastrocnemius, soleus, posterior ankle capsule","benefits":"Squat depth and ankle mobility — most overlooked flexibility"},{"name":"Posterior Shoulder Stretch","cat":"shoulders","category":"mobility","difficulty":"easy","sets":2,"reps":"30s each","caloriesBurned":4,"musclesFocus":"Primary: posterior deltoid, posterior capsule, teres minor","benefits":"Shoulder horizontal adduction flexibility — prevents GIRD"}]}