Muscle Actions Flashcards
Shoulder flexion
Biceps brachii, anterior deltoid, coracobrachialis, pectoralis major
Shoulder extension
Posterior deltoid, teres major, latissimus dorsi
Shoulder abduction
Middle deltoid, supraspinatus
Shoulder adduction
Pectoralis major, latissimus dorsi, teres major
Shoulder IR
Subscapularis, teres major, pectoralis major, latissimus dorsi, anterior deltoid
Shoulder ER
Teres minor, infraspinatus, posterior deltoid
Scapula elevation
Upper trapezius, levator scapulae
Scapula depression
Lower trapezius, latissimus dorsi, pectoralis major/minor
Scapula protraction
Serratus anterior, pectoralis minor
Scapula retraction
Trapezius, rhomboids
Scapula upward rotation
Trapezius, serratus anterior
Scapula downward rotation
Rhomboids, levator scapulae, pectoralis minor
Elbow flexion
Biceps brachii, brachialis, brachioradialis
Elbow extension
Triceps brachii, anconeus
Supination
Biceps brachii, supinator
Pronation
Pronator teres, pronator quadratus
Wrist flexion
Flexor carpi radialis, flexor carpi ulnaris, palmaris longus
Wrist extension
Extensor carpi radialis longus, extensor carpi radialis brevis, extensor carpi ulnaris
Radial deviation
Extensor carpir radialis, flexor carpi radialis, extensor pollicis longus and brevis
Ulnar deviation
Extensor carpi ulnaris, flexor carpi ulnaris
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 lateral deviation
Medial pterygoid, lateral pterygoid, masseter, temporalis
Cervical flexion
Sternocleidomastoid, longus colli, scalenus muscles
Cervical extension
Splenius cervicus, semispinalis cervicis, iliocostalis cervicis, longissimus cervicis, multifidus, trapezius
Cervical rotation/side bending
Sternocleidomastoid, scalenus muscles, splenius cervicis, longissimus cervicis, iliocostalis cervicis, levator scapulae, multifidus
Thoracic/lumbar flexion
Rectus abdominus, internal oblique, external oblique
Thoracic/lumbar extension
Erector spinae, quadratus lumborum, multifidus
Thoracic/lumbar rotation/side bending
Psoas major, quadratus lumborum, external oblique, internal oblique, multifidus, longissimus thoracis, iliocostalis thoracis, rotatores
Hip flexion
iliopsoas, rectus femoris, sartorius, pectineus
Hip extension
gluteus maximus/medius, semitendinosus, semimembranosus, biceps femoris
Hip abduction
Gluteus medius/minimus, piriformis, obturator internus
Hip adduction
Adductor magnus, adductor longus, adductor brevis, gracilis
Hip IR
Tensor facsia latae, gluteus medius/minimus, pectineus, adductor longus
Hip ER
Gluteus maximus, obturator externus, obturator internus, piriformis, gemelli, sartorius
Knee flexion
Biceps femoris, semitendinosus, semimembranosus, sartorius
Knee extension
Rectus femoris, vastus lateralis/medialis/intermedius
Plantar flexion
Tibialis posterior, gastrocnemius, soleus, peroneus longus, peroneus brevis, plantaris, flexor hallucis
Dorsiflexion
Tibialis anterior, extensor hallucis longus, extensor digitorum longus, peroneus tertius
Inversion
Tibialis posterior, tibialis anterior, flexor digitorum longus
Eversion
Peroneus longus, brevis, tertius