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Anatomy T2 > aug 30 > Flashcards

aug 30 Flashcards

1
Q

strong connective tissue that covers the palm of the hand

A

palmar aponeurosis

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2
Q

what is the common proximal tendinous attachment for the superficial, intermediate, and deep anterior forearm muscle layers

A

common flexor tendon

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3
Q

the common flexor tendon attaches where on the humerus?

A

medial epicondyle of the humerus

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4
Q

pronator teres, flexor carpi radialis, palmaris longus, and flexor carlpi ulnaris are muscles in what layer in the forearm?

A

superficial

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5
Q

proximal attachments for pronator teres

A

medial epicondyle, coronoid process of the ulna

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6
Q

distal attachment of pronator teres

A

middle, lateral surface of the radius

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7
Q

action of pronator teres

A

pronation of the radioulnar joint

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8
Q

superior attachment of flexor carpi radialis

A

medial epicondyle of the humerus

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9
Q

inferior attachment of flexor carpi radialis

A

base of the 2nd metacarpal

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10
Q

3 actions of flexor carpi radialis

A

radiocarpal joint flexion, radial deviation (abduction), elbow flexion (weak)

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11
Q

proximal attachment of palmaris longus

A

medial epicondyle of the humerus

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12
Q

distal attachment of palmaris longus

A

palmar aponeurosis

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13
Q

2 actions of palmaris longus

A

radiocarpal joint flexion, elbow flexion (weak)

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14
Q

proximal attachment of the humeral head of flexor carpi ulnaris

A

medial epicondyle of the humerus

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15
Q

proximal attachments of the ulnar head of flexor carpi ulnaris

A

olecranon and upper half of the posterior ulna

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16
Q

distal attachments of flexor carpi ulnaris

A

pisiform, hook of hamate, base of MC5

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17
Q

actions of flexor carpi ulnaris

A

radiocarpal joint flexion, ulnar deviation (adduction), elbow flexion (weak)

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18
Q

flexor digitorum superficialis is located in which muscle layer of the anterior forearm?

A

intermediate

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19
Q

proximal attachments of the humeroulnar head of flexor digitorum superficialis

A

medial epicondyle of the humerus, coronoid process of the ulna

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20
Q

proximal attachment of the radial head of flexor digitorum superficialis

A

anterior/superior radius

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21
Q

distal attachments of flexor digitorum superficialis

A

sides of the bases of the intermediate phalanges of the medial 4 digits

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22
Q

actions of flexor digitorum superficialis

A

2nd-5th CMC , MCP, and PIP joint flexion. radiocarpal joint flexion, elbow flexion (weak)

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23
Q

flexor digitorum profundus, flexor pollicis longus, and pronator quadratus are found in what muscle layer of the anterior forearm?

A

deep layer

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24
Q

proximal attachments of flexor digitorum profundus

A

proximal anterior surface of the ulna and interosseous membrane

25
Q

distal attachment of flexor digitorum profundus

A

bases of the distal phalanges of the medial 4 digits

26
Q

actions of flexor digitorum profundus

A

2nd-5th CMC , MCP, and IP joint flexion. radiocarpal joint flexion

27
Q

proximal attachments of flexor pollicis longus

A

anterior middle surface of the radius and interosseous membrane

28
Q

distal attachment of flexor pollicis longus

A

base of the distal phalanx of the 1st digit

29
Q

what does flexor pollicis longus pass deep to?

A

flexor retinaculum

30
Q

actions of flexor pollicis longus

A

IP joint flexion of the 1st digit. MCP, CMC joint flexion of the 1st digit

31
Q

medial attachment of pronator quadratus

A

distal anterior ulna

32
Q

lateral attachment of pronator quadratus

A

distal anterior radius

33
Q

action of pronator quadratus

A

pronation (radioulnar joint)

34
Q

2 muscles that rotate the arm/hand

A

pronator quadratus, pronator teres

35
Q

3 muscles that flex the hand

A

flexor carpi radialis, flexor carpi ulnaris, palmaris longus

36
Q

3 muscles that flex the digits in the hand

A

flexor digitorum superficialis, flexor digitorum profundus, flexor pollicis longus

37
Q

brachioradialis, extensor carpi radialis longus, extensor carpi radialis brevis, extensor digitorum, extensor digiti minimi, and extensor carpi ulnaris are found in what layer of the posterior forearm?

A

superficial layer

38
Q

superior attachment of brachioradialis

A

lateral supracondylar ridge of the humerus (proximal part)

39
Q

inferior attachment of brachioradialis

A

lateral distal radius

40
Q

action of brachioradialis

A

elbow flexion

41
Q

the extensor tendons at the wrist pass under what structure?

A

extensor retinaculum

42
Q

proximal attachment of extensor carpi radialis longus

A

supracondylar ridge of the humerus (distal part)

43
Q

distal attachment of extensor carpi radialis longus

A

base of MC2

44
Q

actions of extensor carpi radialis longus

A

radiocarpal extension, radial deviation (abduction)

45
Q

extensor carpi radialis brevis, extensor digitorum, extensor digiti minimi, and extensor carpi ulnaris share a proximal tendinous attachment. what is its name?

A

common extensor tendon

46
Q

where does the common extensor tendon attach

A

lateral epicondyle of the humerus

47
Q

superior attachment of extensor carpi radialis brevis

A

lateral epicondyle of the humerus via the common extensor tendon

48
Q

distal attachment of extensor carpi radialis brevis

A

base of MC3

49
Q

actions of extensor carpi radialis brevis

A

radiocarpal extension, radial deviation (abduction)

50
Q

brachioradialis, extensor carpi radialis longus, and extensor carpi radialis brevis are grouped together and referred to as what?

A

the wad of iii

51
Q

superior attachment of extensor digitorum

A

lateral epicondyle of the humerus via the common extensor tendon

52
Q

inferior attachment of extensor digitorum

A

distal phalanges of the medial 4 digits

53
Q

actions of extensor digitorum

A

2nd-5th MCP, IP extension. radiocarpal extension

54
Q

superior attachment of extensor digiti minimi

A

lateral epicondyle of the humerus via the common extensor tendon

55
Q

inferior attachment of extensor digiti minimi

A

extensor expansion of the 5th digit

56
Q

action of extensor digiti minimi

A

extension of the 5th digit

57
Q

superior attachment of extensor carpi ulnaris

A

lateral epicondyle of the humerus via the common extensor tendon

58
Q

inferior attachment of extensor carpi ulnaris

A

base of MC5

59
Q

actions of extensor carpi ulnaris

A

radiocarpal extension, ulnar deviation

Anatomy T2 (15 decks)

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