Muscle Actions Flashcards by Megan Drake

Shoulder abduction

deltoids supraspinatus

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should adduction

pectoralis major, Teres major, subscapularis

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shoulder flexion

anterior deltoid biceps brachii, coracobrachialis

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shoulder extension

pectoralis major, latissimus dorsi

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shoulder internal rotation

pectoralis major, teres major, latissimus dorsi, subscapularis

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shoulder external rotation

infraspinatus, teres minor

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shoulder elevation

trapezius

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shoulder depression

pectoralis major

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scapular upward rotation

trapezius

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scapular downward rotation

Rhomboid major and minor

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scapular retraction

rhomboid major and minor

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scapular protraction

serratus anterior

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Elbow flexion

biceps brachii, brachialis

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elbow extension

triceps brachii

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forearm supination

biceps brachii

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forearm pronation

brachioradialis

trunk flexion

rectus abdominis

trunk extension

erector spinae

trunk rotation

obliques

trunk lateral felxion

quadratus lumborum

hip flexion

iliopsoas, rectus femoris

hip extension

gluteus maximus

hip external rotation

piriformis, gemellus, obturators, quadratus femoris

hip internal rotation

gluteus minimus

hip abduction

tensor fascia latae, gluteus medius

hip adduction

adductor magnus, adductor longus, adductor brevis

knee flexion

biceps femoris, semitendinosus, semimembranosis, sartorius, gracilis

knee extension

rectus femoris, vastus medialis, vastus lateralis, vastus intermedius

ankle dorsiflexion

tibialis anterior

ankle plantar flexion

gastrocnemius, soleus

ankle inversion

tibialis posterior

ankle eversion

fibularis longus, fibularis brevis