muscle actions Flashcards by ash thomas

Q

iliopsoas

A

hip flexion, ext rotation, trunk flexion

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Q

gluteus maximus

A

hip flexion, ext rotation

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Q

gluteus medius

A

hip abduction, ext rotation

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Q

gluteus minimis

A

hip abduction, int rotation

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Q

adductors

A

adduction, hip flexion/extension

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Q

tensor fasciae latae

A

hip felxion, abduction

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Q

P GO GO Q

A

hip ext rotation

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Q

pectineus

A

hip flexion, adduction

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Q

gracilis

A

hip adduction, knee flexion

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Q

rectus femoralis

A

hip flexion, knee extension

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Q

sartorius

A

hip flexion, knee flexion

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Q

biceps femoris

A

hip extension, knee flexion

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Q

semimembranosus

A

hip extension, knee flexion

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Q

semitendinosus

A

hip extension, knee flexion

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Q

vastus lateralis, medialis, intermedius

A

knee extension

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Q

gastrocnemius

A

plantar flexion, knee flexion

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Q

plantaris

A

plantar flexion, knee flexion

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Q

tibialis anterior

A

dorsiflexion, inversion

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Q

tibialis posterior

A

plantar flexion, inversion

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Q

peroneus longus, brevis

A

plantar flexion, eversion

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Q

peroneus tertius

A

dorsiflexion, eversion

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Q

soleus

A

plantar flexion

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Q

subclavius

A

depress clavicle, stabilize

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Q

serratus anterior

A

scapular protraction

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Q

trapezius

A

scapular retraction, stabilization, depression

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Q

levator scapulae

A

elevation

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Q

pec major

A

shoulder extension, flexion, internal rotation, adduction

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Q

deltoid

A

Internal/external rotation, flexion/extension, abduction

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Q

latissimus dorsi

A

internal rotation, shoulder extension, adduction

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Q

teres major

A

internal rotation, shoulder extension, adduction

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Q

pec minor

A

protraction

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Q

rhomboids major/minor

A

retraction

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Q

coracobrachilias

A

shoulder flexion, adduction

Q

subscapularis

A

internal rotation

Q

infrascapularis

A

external rotation

Q

teres minor

A

external rotation

Q

biceps brachii

A

elbow flexion, flex glenohumeral joint

Q

triceps brachii

A

elbow extension, extend glenohumeral joint

Q

brachialis

A

elbow flexion

Q

brachioradialis

A

elbow flexion, pro/sup neutral

Q

palmaris longus

A

weak wrist flexion

Q

palmar/dorsal interossi

A

ad/abduction fingers

Q

iliocostalis

A

extend back, laterally flex, rotate

Q

spinalis

A

extend back, laterally flex, rotate

Q

longissmus

A

laterally flex back, rotate

Q

semispinalis

A

laterally flex back, rotate (weak)

Q

multifundis

A

laterally flex back, rotate (weak)

Q

rotatore

A

laterally flex back, rotate (weak)

Q

interspinalis

A

weak spinal extensor, stabilizer

Q

intertransversarrii

A

extend segment, rotate indv

Q

diapraghm

A

respiration

Q

external intercostals

A

elevates and expand ribs

Q

internal intercostals

A

depress and compress ribs

Q

rectus abdominis

A

flexes spine

Q

external oblique

A

laterally flex, rotate

Q

internal oblique

A

laterally flex, rotate

Q

transverse abdominis

A

compress abdomen

Q

quadratus lumborum

A

extend lumbar vertebral column

Q

occipitofrontalis

A

wrinkle forehead, draw scap posteriorly

Q

orbicularis oris

A

pucker mouth

Q

platysma

A

depress mandible

Q

orbicularis occuli

A

closes eyes

Q

corrugator supercillii

A

moves eyebrow inferiorly

Q

zygomaticus major

A

draw mouth lateral and superior, smile

Q

zygomaticus minor

A

raises lip

Q

sternor labii superioris

A

raises upper lip

Q

depressor labii superioris

A

depresses lower lip

Q

depressor anguli oris

A

draw mouth lateral/inferior

Q

buccinator

A

press cheek against teeth

Q

risorius

A

draw angle of mouth lateral

Q

mentalis

A

pouting

Q

massester

A

elevates mandible

Q

pterygoid

A

protracts, moves mandible side to side

Q

temporalis

A

elevate and retract mandible

Q

lateral ptyergoid

A

depress and move mandible side to side

Q

genioglossus

A

depression and protraction of tongue

Q

hypoglossus

A

depression of tongue

Q

palatogoglossus

A

elevates posterior tongue

Q

styloglossus

A

elevation and retraction of tongue

Q

sternocleidomastoid

A

flex neck, laterally flex and rotate

Q

scalenes

A

flex neck, laterally flex and rotate