Gross anatomy of the muscular system Flashcards by Paige Kiani

Q

lateral rectus muscle

A

moves eyeball laterally

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Q

superior rectus muscle

A

moves eyeball superiorly

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Q

medial rectus muscle

A

moves eyeball medially

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Q

inferior rectus muscle

A

moves eyeball inferiorly

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Q

inferior oblique muscle

A

moves eyeball laterally and superiorly

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Q

superior oblique muscle

A

moves eyeball laterally and inferiorly

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Q

frontalis

A

raises eyebrows

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Q

occipitalis

A

retracts scalp

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Q

temporalis, masseter

A

closes mandible

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Q

orbicularis oris

A

closes lips

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Q

orbicularis oculi

A

closes eyelid

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Q

buccinator

A

compresses cheeks

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Q

zygomaticus

A

elevates corners of mouth

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Q

sternocleidomastoid

A

abducts, rotates, flexes head

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Q

external and internal oblique, transverse abdominis

A

compresses abdomen, laterally rotates waist

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Q

rectus abdominis

A

flexes spine, compresses abdomen

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Q

serratus anterior

A

abducts scapula

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Q

external intercostal

A

elevates ribs

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Q

internal intercostal

A

depresses ribs

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Q

diaphragm

A

inhalation

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Q

trapezius

A

extends head, rotates scapula

Q

deltoid

A

abducts arms

Q

pectoralis major

A

flex, adducts, rotates humerus

Q

latissimus dorsi

A

extends, adducts, rotates arms

teres major

extends, adducts, rotates arms

supraspinatus

abducts arm, stabilizes shoulder

infraspinatus

laterally rotates arm

biceps brachii

flexes, supinates forearm

triceps brachii

extends forearm

brachialis, brachioradialis

flexes forearm

pronator teres

pronates forearm

palmaris longus

anchors skin and fascia of palm

flexor carpi radialis, flexor carpi ulnaris

flexes, adducts wrist

extensor carpi radialis, extensor carpi ulnaris

extends, abducts wrist

iliopsoas

flexes thigh and lumbar vertebrae

sartorius

flexes and laterally rotates thigh, flexes knee

gracilis

flexes and medially rotates leg

adductor longus

adducts, flexes, and medially rotates hip

adductor magnus

adducts and medially rotates thigh

rectus femoris

flexes thigh, extends leg

vastus lateralis, vastus intermedius, vastus medialis

extends leg

tensor fascia lata

flexes thigh, extends and rotates knee

gluteus maximus

extends and abducts thigh

gluteus medius

abducts and medially rotates thigh

biceps femoris, semitendinosis, semimembranosus

extends thigh and flexes knee

gastrocnemius

flexes leg, planter flexes foot

soleus

plantar flexes foot

flexor digitorum longus

flexes toes, plantar flexes foot, inverts foot

tibialis anterior

dorsiflexes, inverts foot

extensor digitorum longus

extends toes, dorsiflexes foot

fibulas longus

plantar flexes, everts foot