Giles Chart of Muscle Action Flashcards by Amber Lindsey

Which muscles contribute to this action?

scapular elevation

upper trapezius
levator scapulae

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Which muscles contribute to this action?

scapular depression

latissimus dorsi
pectoralis major
pectoralis minor
lower trapezius

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Which muscles contribute to this action?

scapular protraction

serratus anterior
pectoralis minor

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Which muscles contribute to this action?

scapular retraction

trapezius (middle)
rhomboids

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Which muscles contribute to this action?

scapular upward rotation

trapezius (upper and lower)
serratus anterior

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Which muscles contribute to this action?

scapular downward rotation

rhomboids
levator scapulae
pectoralis minor

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Which muscles contribute to this action?

shoulder flexion

anterior deltoid
coracobrachialis
pectoralis major (clavicular head)
biceps brachii

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Which muscles contribute to this action?

shoulder extension

latissimus dorsi
posterior deltoid
teres major
triceps brachii (long head)

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Which muscles contribute to this action?

shoulder abduction

middle deltoid
supraspinatus

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Which muscles contribute to this action?

shoulder adduction

pectoralis major (sternal head)
latissimus dorsi
teres major

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Which muscles contribute to this action?

horizontal abduction

posterior deltoid
infraspinatus
teres minor

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Which muscles contribute to this action?

horizontal adduction

anterior deltoid
pectoralis major

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Which muscles contribute to this action?

shoulder external rotation

teres minor
infraspinatus
posterior deltoid

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Which muscles contribute to this action?

shoulder internal rotation

subscapularis
teres major
pectoralis major
latissimus dorsi
anterior deltoid

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Which muscles contribute to this action?

elbow flexion

biceps brachii
brachialis
brachioradialis

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Which muscles contribute to this action?

elbow extension

triceps brachii
anconeus

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Which muscles contribute to this action?

radioulnar supination

biceps brachii
supinator

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Which muscles contribute to this action?

radioulnar pronation

pronator teres
pronator quadratus

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Which muscles contribute to this action?

wrist flexion

flexor carpi radialis
flexor carpi ulnaris
palmaris longus

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Which muscles contribute to this action?

wrist extension

extensor carpi radialis longus
extensor carpi radialis brevis
extensor carpi ulnaris

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Which muscles contribute to this action?

radial deviation

extensor carpi radialis (longus & brevis)
flexor carpi radialis
extensor pollicis (longus & brevis)

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Which muscles contribute to this action?

ulnar deviation

extensor carpi ulnaris
flexor carpi ulnaris

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Which muscles contribute to this action?

finger flexion

flexor digitorum (profundus & superficialis)
flexor digiti minimi (fifth digit only)
interossei
lumbricals

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Which muscles contribute to this action?

finger extension

extensor digitorum communis
extensor indicis (second digit only)
extensor digiti minimi (fifth digit only)

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# Which muscles contribute to this action? finger abduction

dorsal interossei abductor digiti minimi (fifth digit only)

# Which muscles contribute to this action? finger adduction

palmar interossei

# Which muscles contribute to this action? hip flexion

iliopsoas sartorius rectus femoris pectineus

# Which muscles contribute to this action? hip extension

gluteus maximus & minimus semitendinosus semimembranosus biceps femoris

# Which muscles contribute to this action? hip abduction

gluteus minimus gluteus medius piriformis obturator internis tensor fasciae latae (TFL)

# Which muscles contribute to this action? hip adduction

adductor magnus adductor longus adductor brevis gracilis

# Which muscles contribute to this action? hip internal rotation

tensor fasciae latae (TFL) gluteus medius gluteus minimus pectineus adductor longus

# Which muscles contribute to this action? hip external rotaiton

gluteus maximus obturator externus obturator internus piriformis gemelli sartorius

# Which muscles contribute to this action? knee flexion

biceps femoris semitendinosus semimembranosus sartorius gastrocnemius

# Which muscles contribute to this action? knee extension

rectus femoris vastus lateralis vastus medialis vastus intermedius

# Which muscles contribute to this action? plantar flexion

tibialis posterior gastrocnemium soleus peroneus longus peroneus brevis plantaris flexor hallucis longust

# Which muscles contribute to this action? ankle dorsiflexion

tibialis anterior extensor hallucis longus extensor digitorum longus peroneus tertius

# Which muscles contribute to this action? ankle inversion

tibialis posterior tibialis anterior flexor digitorum longus

# Which muscles contribute to this action? ankle eversion

peoneus longus peroneus brevis peroneus tertius

# What actions does this muscle do? latissimus dorsi

* shoulder ext * shoulder ADD * shoulder IR * scapular depression

# What actions does this muscle do? teres major

* shoulder ext * shoulder ADD * shoulder IR

# What actions does this muscle do? teres minor

* shoulder horizontal ABD * shoulder ER

# What actions does this muscle do? rhomboids

* scapular retraction * scapular downward rot

# What actions does this muscle do? anterior deltoid

* shoulder horizontal ABD * shoulder flex * shoulder IR

# What actions does this muscle do? middle deltoid

shoulder ABD (to 90º)

# What actions does this muscle do? posterior deltoid

* shoulder ext * shoulder horizontal ABD * shoulder ER

# What actions does this muscle do? levator scapulae

* scapular elevation * downward rotation

# What actions does this muscle do? supraspinatus

shoulder ABD

# What actions does this muscle do? infraspinatus

* shoulder ER * shoulder horizontal ABD

# What actions does this muscle do? subscapularis

shoulder IR

# What actions does this muscle do? pectoralis major

* shoulder flex* * shoulder ADD * shoulder horizontal ADD * shoulder IR * shoulder ext** * scapular depression | *clavicular head **sternal head

# What actions does this muscle do? pectoralis minor

* scapular depression * scapular protraction * scapular downward rotation

# What actions does this muscle do? serratus anterior

* scapular protraction * scapular upward rotation

# What actions does this muscle do? upper trapezius

* scapular elevation * scapular upward rotation

# What actions does this muscle do? middle trapezius

scapular retraction

# What actions does this muscle do? lower trapezius

* scapular depression * scapular upward rotation

# What actions does this muscle do? coracobrachialis

shouder flex

# What actions does this muscle do? biceps brachii

* shoulder flex * elbow flex * radioulnar sup

# What actions does this muscle do? brachialis

elbow flex | (forearm pronated)

# What actions does this muscle do? brachioradialis

elbow flex | (with forearm neutral)

# What actions does this muscle do? triceps brachii

* shoulder ext * elbow ext

# What actions does this muscle do? extensor carpi radialis extensor carpi ulnaris

wrist ext

# What actions does this muscle do? flexor carpi radialis flexor carpi ulnaris

wrist flex

# What actions does this muscle do? extensor and flexor carpi radialis

radial deviation

# What actions does this muscle do? extensor and flexor carpi ulnaris

ulnar deviation

# What actions does this muscle do? extensor carpi radialis longus and brevis

* wrist ext * radial deviation

# What actions does this muscle do? extensor pollicis longus and brevis

radial deviation

# What actions does this muscle do? anconeus

elbow ext

# What actions does this muscle do? supinator

forearm supination

# What actions does this muscle do? pronator teres and quadratus

forearm pronation

# What does this muscle do? palmaris longus

wrist flex

# What actions does this muscle do? iliopsoas

hip flex

# What actions does this muscle do? gluteus maximus

* hip ext * hip ER

# What actions does this muscle do? gluteus medius

* hip ABD * hip ext * hip IR

# What actions does this muscle do? gluteus minimus

* hip ABD * hip IR

# What actions does this muscle do? tensor fascia latae | (TFL)

* hip ABD * hip IR

# Whgat actions does this muscle do? adductor magnus and brevis

hip ADD

# What actions does this muscle do? adductor longus

* hip ADD * hip IR

# What actions does this muscle do? gracilis

hip ADD

# What actions does this muscle do? biceps femoris

* knee flex * hip ext

# What actions does this muscle do? semitendinosus semimembranosus

* knee flex * hip ext

# What actions does this muscle do? vastus medialis vastus lateralis vastus intermedius

knee ext

# What actions does this muscle do? rectus femoris

* knee ext * hip flex

# What actions does this muscle do? gastrocnemius

* plantarflexion * knee flex

# What actions does this muscle do? anterior tibialis

* dorsiflexion * ankle INV

# What actions does this muscle do? sartorius

* hip flex * hip IR * knee flex

# What actions does this muscle do? pectineus

* hip flex * hip IR

# What actions does this muscle do? piriformis

* hip ER * hip ABD

# What actions does this muscle do? obturator internus

* hip ADD * hip ER

# What actions does this muscle do? oburator externus

hip ER

# What actions does this muscle do? gemelli

hip ER

# What actions does this muscle do? tibialis posterior

* plantarflexion * ankle INV

# What actions does this muscle do? soleus

plantarflexion

# What actions does this muscle do? peroneus longus and brevis

* ankle EV * plantarflexion

# What actions does this muscle do? peroneus tertius

* ankle EV * dorsiflexion

# What actions does this muscle do? plantaris

plantarflexion

# What actions does this muscle do? flexor hallucis longus

plantarflexion

# What actions does this muscle do? extensor digitorum longus

dorsiflexion

# What actions does this muscle do? flexor digitorum longus

ankle INV