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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
distal attachment of flexor digitorum profundus
bases of the distal phalanges of the medial 4 digits
26
actions of flexor digitorum profundus
2nd-5th CMC , MCP, and IP joint flexion. radiocarpal joint flexion
27
proximal attachments of flexor pollicis longus
anterior middle surface of the radius and interosseous membrane
28
distal attachment of flexor pollicis longus
base of the distal phalanx of the 1st digit
29
what does flexor pollicis longus pass deep to?
flexor retinaculum
30
actions of flexor pollicis longus
IP joint flexion of the 1st digit. MCP, CMC joint flexion of the 1st digit
31
medial attachment of pronator quadratus
distal anterior ulna
32
lateral attachment of pronator quadratus
distal anterior radius
33
action of pronator quadratus
pronation (radioulnar joint)
34
2 muscles that rotate the arm/hand
pronator quadratus, pronator teres
35
3 muscles that flex the hand
flexor carpi radialis, flexor carpi ulnaris, palmaris longus
36
3 muscles that flex the digits in the hand
flexor digitorum superficialis, flexor digitorum profundus, flexor pollicis longus
37
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?
superficial layer
38
superior attachment of brachioradialis
lateral supracondylar ridge of the humerus (proximal part)
39
inferior attachment of brachioradialis
lateral distal radius
40
action of brachioradialis
elbow flexion
41
the extensor tendons at the wrist pass under what structure?
extensor retinaculum
42
proximal attachment of extensor carpi radialis longus
supracondylar ridge of the humerus (distal part)
43
distal attachment of extensor carpi radialis longus
base of MC2
44
actions of extensor carpi radialis longus
radiocarpal extension, radial deviation (abduction)
45
extensor carpi radialis brevis, extensor digitorum, extensor digiti minimi, and extensor carpi ulnaris share a proximal tendinous attachment. what is its name?
common extensor tendon
46
where does the common extensor tendon attach
lateral epicondyle of the humerus
47
superior attachment of extensor carpi radialis brevis
lateral epicondyle of the humerus via the common extensor tendon
48
distal attachment of extensor carpi radialis brevis
base of MC3
49
actions of extensor carpi radialis brevis
radiocarpal extension, radial deviation (abduction)
50
brachioradialis, extensor carpi radialis longus, and extensor carpi radialis brevis are grouped together and referred to as what?
the wad of iii
51
superior attachment of extensor digitorum
lateral epicondyle of the humerus via the common extensor tendon
52
inferior attachment of extensor digitorum
distal phalanges of the medial 4 digits
53
actions of extensor digitorum
2nd-5th MCP, IP extension. radiocarpal extension
54
superior attachment of extensor digiti minimi
lateral epicondyle of the humerus via the common extensor tendon
55
inferior attachment of extensor digiti minimi
extensor expansion of the 5th digit
56
action of extensor digiti minimi
extension of the 5th digit
57
superior attachment of extensor carpi ulnaris
lateral epicondyle of the humerus via the common extensor tendon
58
inferior attachment of extensor carpi ulnaris
base of MC5
59
actions of extensor carpi ulnaris
radiocarpal extension, ulnar deviation

Anatomy T2 (15 decks)

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