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Musculoskeletal

Muscle Actions

ActionMuscles
TMJ Depression Lateral pterygoid, suprahyoid, infrahyoid
TMJ Elevation Temporalis, masseter, Medial pterygoid
TMJ Protrusion Masseter, lateral pterygoid, medial pterygoid
TMJ Retrusion Temporalis, Masseter, Digastric
TMJ Side to side Medial pterygoid, Lateral pterygoid, Masseter, Temporalis
Cervical Flexion SCM, Longus colli, Scalenes
Cervical Extension Traps, Splenius cervicis, Semispinalis cervicis, Iliocostalis cervicis, Longissimus cervicis, Multifidus
Cervical Rotation and Lateral Bending SCM, Scalenes, Splenius cervicis, Longissimus cervicis, Iliocostalis cervicis, Levator scapulae, Multifidus
Thoracic and Lumbar Flexion Rectus abdominis, Internal oblique, External oblique
Thoracic and Lumbar Extension Erector spinae, Quadratus lumborum, Multifidus
Thoracic and Lumbar Rotation and Lateral Bending Psoas major, Quadratus lumborum, External oblique, Internal Oblique, Multifidus, Longissimus thoracis, Iliocostalis thoracis, Rotatores
Scapular Elevation Upper traps, Levator scapulae
Scapular Depression Lower traps, Lats, Pecs major and minor
Scapular Protraction Serratus anterior, Pecs minor
Scapular Retraction Rhomboids, Traps
Scapular Upward Rotation Traps, Serratus anterior
Scapular Downward Rotation Rhomboids, Levator scapulae, Pecs minor
Shoulder Flexion Biceps brachii, Anterior delts, Coracobrachialis, Pecs major
Shoulder Extension Lats, Posterior delts, Teres major
Shoulder Abduction Middle delts, Supraspinatus
Shoulder Adduction Pecs major, Lats, Teres major
Shoulder Lateral Rotation Teres minor, Posterior delts, Infraspinatus
Shoulder Medial Rotation Teres major, Pecs major, Subscapularis, Lats, Anterior delts
Elbow Flexion Biceps brachii, Brachioradialis, Brachialis
Elbow Extension Triceps, Anconeus
Radioulnar Supination Supinator, Biceps brachii
Radioulnar Pronation Pronator teres, Pronator quadratus
Wrist Flexion Flexor carpi radialis, Flexor carpi ulnaris, Palmaris longus
Wrist Extension Extensor carpi radialis longus and brevis, Extensor carpi ulnaris
Radial Deviation Extensor carpi radialis, Flexor carpi radialis, Extensor pollicis longus and brevis
Ulnar Deviation Flexor carpi ulnaris, Extensor carpi ulnaris
Hip Flexion Iliopsoas, Sartorius, Rectus femoris, Pectineus
Hip Extension Gluteus maximus, Biceps femoris, Semitendinosus, Semimembranosus
Hip Abduction TFL, Gluteus medius, Gluteus minimus, Piriformis, Obturator internus
Hip Adduction Gracilis, Adductor longus, Adductor brevis, Adductor magnus
Hip Medial Rotation TFL, Gluteus medius, Gluteus minimus, Pectineus, Adductor longus
Hip Lateral Rotation Gluteus maximus, Obturator externus, Obturator internus, Piriformis, Gemelli, Sartorius
Knee Flexion Biceps fermoris, Semitendinosus, Semimembranosus, Sartorius
Knee Extension Rectus femoris, Vastus lateralis, Vastus medialis, Vastus intermedius
Plantar Flexion Gastrocnemius, Soleus, Tibialis posterior, Peroneus longus, Peroneus brevis, Plantaris, Flexor hallucis
Dorsiflexion Tibialis anterior, Extensor hallucis longus, Extensor digitorum longus, Peroneus tertius
Ankle Inversion Tibialis anterior, Tibialis posterior, Flexor digitorum longus
Ankle Eversion Peroneus longus, Peroneus brevis, Peroneus tertius
Created by: glopez111
 

 



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