KIN 2040 Lab - Muscles I

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Last updated 1:36 PM on 9/15/26
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37 Terms

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Epicranus - frontal belly

raises eyebrows

<p>raises eyebrows</p>
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Epicranus - occipital belly

pulls scalp posteriorly

<p>pulls scalp posteriorly</p>
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temporalis

elevates and retracts mandible

<p>elevates and retracts mandible</p>
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masseter

elevates mandible

<p>elevates mandible</p>
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zygomaticus major

retracts and elevates corner of mouth

<p>retracts and elevates corner of mouth</p>
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zygomaticus minor

retracts and elevates upper lip

<p>retracts and elevates upper lip</p>
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orbicularis oris

closes and protrudes lips

<p>closes and protrudes lips</p>
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orbicularis oculi

closes eye

<p>closes eye</p>
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sternocleidomastoid

flexes neck; rotates head

<p>flexes neck; rotates head</p>
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scalene muscle(anterior, middle, posterior)

respiratory muscle that lifts the upper rib cage

<p>respiratory muscle that lifts the upper rib cage</p>
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pectoralis major

Adducts and flexes humerus

<p>Adducts and flexes humerus</p>
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pectoralis minor

protracts and depresses scapula

<p>protracts and depresses scapula</p>
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deltoid

abduction of humerus

<p>abduction of humerus</p>
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infraspinatus

external rotation of humerus

<p>external rotation of humerus</p>
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subscapularis

internal rotation of humerus

<p>internal rotation of humerus</p>
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teres minor

adduction and internal rotation of humerus

<p>adduction and internal rotation of humerus</p>
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teres major

external rotation of humerus

<p>external rotation of humerus</p>
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rhomboid major

retracts scapula

<p>retracts scapula</p>
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rhomboid minor

retracts scapula

<p>retracts scapula</p>
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latissimus dorsi

Extension of humerus

<p>Extension of humerus</p>
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trapezius

Elevates, depresses, retracts, and rotates the scapula; rotates the arm

<p>Elevates, depresses, retracts, and rotates the scapula; rotates the arm</p>
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serratus anterior

protraction of scapula

<p>protraction of scapula</p>
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biceps brachii

flexion of elbow

<p>flexion of elbow</p>
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brachialis

elbow flexion

<p>elbow flexion</p>
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triceps brachii

elbow extension

<p>elbow extension</p>
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brachioradialis

elbow flexion

<p>elbow flexion</p>
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pronator teres

pronation

<p>pronation</p>
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flexor carpi radialis

flexes and abducts wrist

<p>flexes and abducts wrist</p>
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palmaris longus

flexes wrist

<p>flexes wrist</p>
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flexor carpi ulnaris

Flexes and adducts wrist

<p>Flexes and adducts wrist</p>
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flexor digitorum superficialis

flexes digits

<p>flexes digits</p>
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flexor digitorum profundus

flexes digits

<p>flexes digits</p>
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extensor carpi radialis longus

Extends wrist and abducts hand

<p>Extends wrist and abducts hand</p>
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extensor carpi radialis brevis

Extends wrist and abducts hand

<p>Extends wrist and abducts hand</p>
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extensor digitorum (hand)

Extends fingers and the wrist

<p>Extends fingers and the wrist</p>
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extensor carpi ulnaris

extends and adducts wrist

<p>extends and adducts wrist</p>
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supinator

supinates forearm

<p>supinates forearm</p>