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From Flashcardlet > Muscles of the Upper Body II: AOI > Flashcards

Muscles of the Upper Body II: AOI Flashcards

This flashcard deck was created using Flashcardlet's card creator

0
Q

Pronator teres

Origin

A

Medial epicondyle of the humerus and coranoid process of the ulna

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1
Q

Pronator teres

Action

A

Pronates forearm

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2
Q

Pronator teres

Insertion

A

radius

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3
Q

Flexor carpi radialis longus

Action

A

Flexes wrist and abducts hand

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4
Q

Flexor carpi radialis longus

Origin

A

Medial epicondyle of the humerus

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5
Q

Flexor carpi radialis longus

Insertion

A

some metacarpals

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6
Q

Palmaris Longus

Action

A

Weak wrist flexor

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7
Q

Palmaris longus

Origin

A

Medial epicondyle of the humerus

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8
Q

Palmaris longus

Insertion

A

Palmar aponeurosis

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9
Q

Flexor carpi ulnaris

Action

A

Flexes wrist and adducts hand

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10
Q

Flexor carpi ulnaris

Origin

A

Medial epicondyle of the humerus; olecranon and posterior surface of the ulna

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11
Q

Flexor carpi ulnaris

Insertion

A

some carpals

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12
Q

Flexor digitorum superficialis

Action

A

Flexes wrist; 2-5 MP joints and PIP joints

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13
Q

Flexor digitorum superficialis

Origin

A

Medial epicondyle of the humerus, coronoid process of the ulna

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14
Q

Flexor digitorum superficialis

Insertion

A

Middle phalanges of fingers 2-5

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15
Q

Flexor digitorum profundus

Action

A

Flexes wrist, 2-5 MP joints, PIP joints and DIP joints

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16
Q

Flexor digitorum profundus

Insertion

A

Distal phalanges 2-5

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17
Q

Flexor pollicus longus

Action

A

Flexes MP joint of thumb, IP joint of thumb, weakly flexes wrist

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18
Q

Brachioradialis

Action

A

Flexes forearm

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19
Q

Brachioradialis

Origin

A

Lateral humerus

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20
Q

Brachioradialis

Insertion

A

Styloid process of radius

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21
Q

Extensor carpi radialis longus

Action

A

Extends wrist, abducts hand

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22
Q

Extensor carpi radialis longus

Origin

A

Lateral humerus

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23
Q

Extensor carpi radialis longus

Insertion

A

A metacarpal

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24
Q

Extensor carpi radialis brevis

Action

A

Extends wrist, abducts hand

25
Q

Extensor carpi radialis brevis

Origin

A

Lateral epicondyle of humerus

26
Q

Extensor carpi radialis brevis

Insertion

A

A metacarpal

27
Q

Extensor digitorum communis

Action

A

Extends wrist, extends 2-5 MP joints, PIP joints and DIP joints

28
Q

Extensor digitorum communis

Origin

A

Lateral epicondyle of humerus

29
Q

Extensor digitorum communis

Insertion

A

Distal phalanges 2-5

30
Q

Extensor digiti minimi

Action

A

Extends wrist, MP and PIP joints of finger 5

31
Q

Extensor digiti minimi

Origin

A

Lateral epicondyle of humerus

32
Q

Extensor digiti minimi

Insertion

A

Proximal phalanx 5

33
Q

Extensor carpi ulnaris

Action

A

Extends wrist, adducts hand

34
Q

Extensor carpi ulnaris

Origin

A

Lateral epicondyle of the humerus; posterior border of ulna

35
Q

Extensor carpi ulnaris

Insertion

A

A metacarpal

36
Q

Orbicularis occuli

Action

A

Wink, blink

37
Q

Orbicularis oris

Action

A

Compresses and purses lips

38
Q

Frontalis

Action

A

Wrinkle brow

39
Q

Buccinator

Action

A

Compresses cheek, holds food in teeth for chewing

40
Q

Zygomaticus major

Action

A

Elevates corners of the mouth (smile)

41
Q

Zygomaticus major

Origin

A

Zygomatic bone

42
Q

Zygomaticus major

Insertion

A

Skin at the superolateral edge of mouth

43
Q

Masseter

Action

A

Elevates and protracts the mandible; prime mover of jaw closure

44
Q

Masseter

Origin

A

Zygomatic arch

45
Q

Masseter

Insertion

A

Coranoid process, lateral surface and angle of the mandible

46
Q

Temporalis

Action

A

Elevates and retracts the mandible

47
Q

Temporalis

Origin

A

Superior and inferior temporal lines

48
Q

Temporalis

Insertion

A

Coronoid process of the mandible

49
Q

Tongue

Action

A

Move food in mouth, speech

50
Q 
Sternocleidomastoid
Action (Bilateral, Unilateral)
A

Bilateral: Flexes neck

Unilateral: Rotation of head to opposite side; lateral flexion

51
Q

Sternocleidomastoid

Origin

A

Manubrium and sternal end of clavicle

52
Q

Sternocleidomastoid

Insertion

A

Mastoid process

53
Q

Scalenes

Action

A

Flex neck

54
Q

Supra-hyoid muscles > Anterior belly of the digastric

Action

A

Depresses mandible; elevates hyoid bone

55
Q

Supra-hyoid muscles > Posterior belly of the digastric

Action

A

Depresses mandible; elevates hyoid bone

56
Q

Mylohyoid

Action

A

Elevates hyoid bone; elevates floor of mouth

57
Q

Infra-hyoid muscles > Sternohyoid

Action

A

Depresses hyoid bone

58
Q

Infra-hyoid muscles > Omohyoid

Action

A

Depresses hyoid bone; fixes hyoid during opening of mouth

59
Q

Semispinalis Capitis

Action (Bilateral, Unilateral)

A

Bilateral: Extend the head and neck

Unilateral: Lateral flexion

60
Q

Splenius capitis

Action (Bilateral, Unilateral)

A

Bilateral: Extend the head and neck

Unilateral: Lateral flexion

61
Q

Erector spinae group

Action (Bilateral, Unilateral)

A

Bilateral: Extend the vertebral column (posture muscles)

Unilateral: Ipsilateral flexion of the vertebral column

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