Elbow, Forearm, Wrist, and Hand Flashcards

1
Q

brachialis orgin

A

distal 1/2 of the anterior surface of the humerus

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2
Q

brachialis insertion

A

tuberosity and coronoid process of the ulna

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3
Q

brachialis actions

A

flexes the elbow

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4
Q

brachioradialis orgin

A

proximal 2/3 of the lateral supracondylar ridge of the humerus

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5
Q

brachioradialis insertion

A

lateral side of radial styloid process

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6
Q

brachioradialis actions

A

flexes the elbow
pronates the forearm from supinated to neutral

supinates the forearm from pronated to neutral

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7
Q

flexor carpi radialis orgin

A

medial epicondyle of the humerus

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8
Q

flexor carpi radialis insertion

A

base of 2nd and 3rd metacarpals on palmar side

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9
Q

flexor carpi radialis actions

A

flexes the wrist
radially deviates (abducts) the wrist
slightly flexes the elbow
slightly pronates the forearm

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10
Q

palmaris longus orgin

A

medial epicondyle of the humerus

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11
Q

palmaris longus insertions

A

flexor retinaculum and palmar aponeurosis

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12
Q

palmaris longus actions

A

tenses the palmar fascia
flexes the wrist
slightly flexes the elbow

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13
Q

flexor carpi ulnaris orgin

A

humeral head: medial epicondyle

ulnar head: medial aspect of olecranon process and proximal 2/3 of posterior border

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14
Q

flexor carpi ulnaris insertion

A

pisiform
hook of hamate
base of 5th metacarpal on palmar side

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15
Q

flexor carpi ulnaris actions

A

flexes the wrist
ulnarly deviates (adducts) the wrist
slightly flexes the elbow

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16
Q

flexor digitorium superficialis orgin

A

humeral head: medial epicondyle and ulnar collateral ligament

ulnar head: medial aspect of coronoid process

radial head: proximal 1/2 of anterior shaft distal to radial tuberosity

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17
Q

flexor digitorium superficialis insertion

A

sides of middle phalanges of digits 2-5 by four separate tendons

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18
Q

flexor digitorium superficialis actions

A

flexes proximal interphalangeal joints of digits 2-5

assists in flexing metacarpophalangeal joints of digits 2-5

assists in flexing the wrist and elbow

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19
Q

flexor digitorium profundus orgin

A

anterior and medial surfaces of proximal 3/4 of the ulna and interosseous membrane

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20
Q

flexor digitorium profundus insertion

A

base of distal phalanges of digits 2-5, palmar side by four separate tendons

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21
Q

flexor digitorium profundus actions

A

flexes distal interphalangeal joints of digits 2-5

assists in flexing proximal interphalangeal joints of digits 2-5

assists in flexing metacarpophalangeal joints of digits 2-5

assists in flexing the wrist

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22
Q

flexor pollicis longus orgin

A

anterior surface of body of the radius and interosseous membrane

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23
Q

flexor pollicis longus insertion

A

base of 1st distal phalanx, palmar side

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24
Q

flexor pollicis longus actions

A

flexes the thumb at carpometacarpal, metacarpophalangeal, and intercarpal joints

assists in flexing the wrists

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25
Q

pronator teres orgin

A

humeral head: medial epicondyle

ulnar head: medial aspect of coronoid process

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26
Q

pronator teres insertion

A

midder 1/3 of the lateral radiu

27
Q

prontator teres actions

A

pronates the forearm
assists in flexing the elbow

28
Q

pronator quadratus orgin

A

medial side and anterior surface of distal 1/4 of the ulna

29
Q

pronator quadratus insertion

A

lateral side and anterior surface of distal 1/4 of the radius

30
Q

pronator quadratus actions

A

pronates the forearm

31
Q

supinator orgin

A

lateral epicondyle of the humerus

supinator crest of the ulna

32
Q

supinator insertion

A

posterior, lateral, and anterior surfaces of proximal 1/3 of the radius

33
Q

supinator actions

A

supinates the forearm
slightly extends the elbow

34
Q

anconeus orgin

A

posterior surface of lateral epicondyle of the humerus and humeroulnar joint capsule

35
Q

anconeus insertion

A

lateral aspect of olecranon process and posterior surface of proximal body of the ulna

36
Q

anconeus actions

A

extends the elbow
stabilizes the ulna while forearm pronates and supinates

37
Q

extensor carpi radialis longus orgin

A

distal 1/3 of the lateral supracondylar ridge of the humerus

38
Q

extensor carpi radialis longus insertion

A

base of 2nd mtacarpal, dorsal side

39
Q

extensor carpi radialis longus action

A

extends the wrist
radially deviates (abducts) the wrist
assists in flexing the elbow
slightly supinates the forearm

40
Q

extensor carpi radialis brevis orgin

A

lateral epicondyle of the humerus

41
Q

extensor carpi radialis brevis insertion

A

base of 3rd metacarpal, dorsal side

42
Q

extensor carpi radialis brevis action

A

extends the wrist
radially deviates (abducts) the wrist
assists in extending the elbow

43
Q

extensor carpi ulnaris orgin

A

lateral epicondyle of the humerus
middle 1/3 of posterior border of the ulna

44
Q

extensor carpi ulnaris insertion

A

base of 5th metacarpal, dorsal side

45
Q

extensor carpi ulnaris action

A

extends the wrist
ulnarly deviates (adducts) the wrist
slightly extends the elbow

46
Q

extensor digitorum orgin

A

laterla epicondyle of the humerus

47
Q

extensor digitorum insertions

A

middle and distal phalanges of digits 2-5, dorsal side

48
Q

extensor digitorum actions

A

extends digits 2-5 at metacarpophalangeal, proximal interphalangeal, and distal interphalangeal joints

extends the wrist
slightly extends the elbow

49
Q

extensor indicis orgin

A

ulna, posterior surface of body and interosseous membrane

50
Q

extensor indicis insertion

A

based of 2nd proximal phalanx and into tendon of extensor digitorum to the 2nd digit

51
Q

extensor indicis actions

A

extends 2nd digit at metacarpophalangeal joints and interphalangeal joints

extends the wrist
slightly supinates the forearm

52
Q

extensor digiti minimi orgin

A

lateral epicondyle of the humerus

53
Q

extensor digiti minimi insertion

A

base of 5th proximal phalanx, dorsal side

54
Q

extensor digiti minimi actions

A

extends the 5th digit at metacaropophalangeal and interphalangeal joints

extend the wrist
slightly extends the elbow

55
Q

abductor pollicus longus orgin

A

middle 1/3 of posterior surface of the ulna, radius, and interosseous membrane

56
Q

abductor pollicus longus insertion

A

base of 1st metacarpal, dorsal side

57
Q

abductor pollicus longus actions

A

adbucts the 1st carpometacarpal joint

extends the 1st carpometacarpal joint

radially deviates (abducts) the wrist
slightly flexes the wrist

58
Q

extensor pollicis brevis orgin

A

distal 1/3 of posterior surface of the radius and interosseous membrane

59
Q

extensor pollicis brevis insertion

A

base of 1st proximal phalanx, dorsal side

60
Q

extensor pollicis brevis action

A

extends the thumb at the carpometacarpal and metacarpophalangeal joints

abducts the thumb at the carpometacarpal joint

slightly radially deviates (abducts) the wrist

61
Q

extensor pollicis longus orgin

A

middle 1/3 of posterior surface of the ulna and interosseous membrane

62
Q

extensor pollicis longus insertion

A

base of 1st distal phalanx, dorsal side

63
Q

extensor pollicis longus action

A

extends the thumb at the carpometacarpal, metacarpophalangeal, and interphalangeal joints

slightly radially deviates (abducts) the wrist

slightly extends the wrist