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Thursday 5/28: Hand > Thursday 5/28: Hand > Flashcards

Thursday 5/28: Hand Flashcards

1
Q

Insertion of abductor pollicis brevis

A

Thumb (base of proximal phalanx)

via the radial sesamoid

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2
Q

Innervation of abductor pollicis brevis

A

Median nerve

C8,T1

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3
Q

Action of abductor pollicis brevis

A

Carpometacarpal (CMC) joint of thumb: abduction

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4
Q

Origin of flexor pollicis brevis (superficial head)

A

flexor retinaculum

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5
Q

Origin of flexor pollicis brevis (deep head)

A

Capitate bone, trapezium

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6
Q

Insertion of flexor pollicis brevis

A

Thumb (bas of proximal phalanx)

via the radial sesamoid

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7
Q

Innervation of flexor pollicis brevis (superficial head)

A

median nerve

C8,T1

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8
Q

Innervation of flexor pollicis brevis (deep head)

A

ulnar nerve

C8,T1

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9
Q

Action of flexor pollicis brevis

A

CMC joint of thumb: flexion

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10
Q

Origin of opponens pollicis

A

Trapezium

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11
Q

Insertion of opponens pollicis

A

First metacarpal (radial border)

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12
Q

Innervation of opponens pollicis

A

Median nerve

C8,T1

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13
Q

Action of opponens pollicis

A

CMC joint of thumb: opposition

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14
Q

Origin of abductor digiti minimi

A

Pisiform bone

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15
Q

Insertion of abductor digiti minimi

A

5th proximal phalanx (ulnar base) and dorsal digital expansion of 5th digit

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16
Q

Innervation of abductor digiti minimi

A

Ulnar nerve (C8,T1)

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17
Q

Action of abductor digiti minimi

A 
Metacarpophalangeal (MCP) joint of little finger: flexion and abduction of little finger
Proximal interphalangeal (PIP) and distal interphalangeal (DIP) of little finger: extension
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18
Q

Origin of flexor digiti minimi brevis

A

Hook of hamate, flexor retinaculum

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19
Q

Insertion of flexor digiti minimi brevis

A

5th proximal phalanx (base)

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20
Q

Innervation of flexor digiti minimi brevis

A

Ulnar nerve (C8, T1)

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21
Q

Action of flexor digiti minimi brevis

A

MCP joint of little finger: flexion

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22
Q

Origin of opponens digiti minimi

A

Hook of hamate, flexor retinaculum

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23
Q

Insertion of opponens digiti minimi

A

5th metacarpal (ulnar border)

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24
Q

Innervation of opponens digiti minimi

A

Ulnar nerve (C8,T1)

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25
Action of opponens digiti minimi
Draws metacarpal in palmar direction (oppositon)
26
Origin of lumbricals (1st)
Tendons of flexor digitorum profundus (radial sides)
27
Inserton of lumbricals (1st)
2nd digit dorsal digital expansion (dde)
28
Innervation of lumbrical (1st)
Median nerve (C8,T1)
29
Action of lumbrical (1st)
2nd to 5th digits: MCP joints: flexion Proximal and distal interphalangeal (IP) joints: extension
30
Origin of lumbricals (2nd)
Tendons of flexor digitorum profundus (radial sides)
31
Insertion of lumbricals (2nd)
3rd digit (dde)
32
Innervation of lumbrical (2nd)
Median nerve (C8,T1)
33
Action of lumbricals (2nd)
2nd to 5th digits: MCP joints: flexion Proximal and distal IP joints: extension
34
Origin of lumbrical (3rd)
Tendons of flexor digitorum profundus (bipennate from medial and lateral sides)
35
Insertion of lumbrical (3rd)
4th digit (dde)
36
Innervation of lumbrical (3rd)
Ulnar nerve (C8,T1)
37
Action of lumbrical (3rd)
2nd to 5th digits: MCP joints: flexion Proximal and distal IP joints: extension
38
Origin of lumbrical (4th)
Tendons of flexor digitorum profundus (bipennate from medial and lateral sides)
39
Insertion of lumbrical (4th)
5th digit (dde)
40
Innervation of lumbrical (4th)
Ulnar nerve (C8,T1)
41
Action of lumbrical (4th)
2nd to 5th digits: MCP joints: flexion Proximal and distal IP joints: extension
42
Origin of dorsal interossei (1st)
1st and 2nd metacarpals (adjacent sides, two heads)
43
Insertion of dorsal interossei (1st)
``` 2nd digit (dde) 2nd proximal phalanx (radial side) ```
44
Innervation of dorsal interossei (1st)
Ulnar nerve (C8,T1)
45
Action of dorsal interossei (1st)
2nd to 4th digits: MCP joints: flexion Proximal and distal IP joints: extension and abduction from 3rd digit
46
Origin of interossei (2nd)
2nd and 3rd metacarpals (adjacent sides, two heads)
47
Insertion of dorsal interossei (2nd)
``` 3rd digit (dde) 3rd proximal phalanx (radial side) ```
48
Innervation of dorsal interossei (2nd)
Ulnar nerve (C8,T1)
49
Action of dorsal interossei (2nd)
2nd to 4th digits: MCP joints: flexion Proximal and distal IP joints: extension and abduction from 3rd digit
50
Origin of dorsal interossei (3rd)
3rd and 4th metacarpals (adjacent sides, two heads)
51
Insertion of dorsal interossei (3rd)
``` 3rd digit (dde) 3rd proximal phalanx (ulnar side) ```
52
Innervation of dorsal interossei (3rd)
Ulnar nerve (C8,T1)
53
Action of dorsal interossei (3rd)
2nd to 4th digits: MCP joints: flexion Proximal and distal IP joints: extension and abduction from 3rd digit
54
Origin of dorsal interossei (4th)
4th and 5th metacarpals (adjacent sides, two heads)
55
Insertion of dorsal interossei (4th)
``` 4th digit (dde) 4th proximal phalanx (ulnar side) ```
56
Innervation of dorsal interossei (4th)
Ulnar nerve (C8,T1)
57
Action of dorsal interossei (4th)
2nd to 4th digits: MCP joints: flexion Proximal and distal IP joints: extension and abduction from 3rd digit
58
Origin of palmar interossei (1st)
2nd metacarpal (ulnar side)
59
Insertion of palmar interossei (1st)
``` 2nd digit (dde) 2nd proximal phalanx (base) ```
60
Innervation of palmar interossei (1st)
Ulnar nerve (C8,T1)
61
Action of palmar interossei (1st)
2nd, 4th, and 5th digits: MCP joints: flexion Proximal and distal IP joints: extension and adduction toward 3rd digit
62
Origin of palmar interossei (2nd)
4th metacarpal (radial side)
63
Insertion of palmar interossei (2nd)
``` 4th digit (dde) 4th proximal phalanx (base) ```
64
Innervation of palmar interossei (2nd)
Ulnar nerve (C8,T1)
65
Action of palmar interossei (2nd)
2nd, 4th, and 5th digits: MCP joints: flexion Proximal and distal IP joints: extension and adduction toward 3rd digit
66
Origin of palmar interossei (3rd)
5th metacarpal (radial side)
67
Insertion of palmar interossei (3rd)
``` 5th digit (dde) 5th proximal phalanx (base) ```
68
Innervation of palmar interossei (3rd)
Ulnar nerve (C8,T1)
69
Action of palmar interossei (3rd)
2nd, 4th, and 5th digits: MCP joints: flexion Proximal and distal IP joints: extension and adduction toward 3rd digit
70
Origin of abductor pollicis brevis
Scaphoid bone and trapezium, flexor retinaculum
71
origin of adductor pollicis (transverse head)
3rd metacarpal (palmar surface)
72
insertion of adductor pollicis (transverse head)
thumb (base of proximal phalanx) via the ulnar sesmoid
73
innervation of adductor pollicis (transverse)
ulnar nerve c8-t1
74
action of adductor pollicis
CMC joint of thumb: adduction, MCP joint of thumb: flexion
75
origin of adductor pollicis (oblique head)
capitate bone, 2nd and 3rd metacarpals (bases)
76
insertion of adductor pollicis (oblique head)
thumb (base of proximal phalanx) via the radial sesamoid
77
innervation of adductor pollicis (oblique head )
ulnar nerve c8-t1
78
action of adductor pollicis (oblique head)
CMC joint of thumb: adduction, MCP joint of thumb: flexion

Thursday 5/28: Hand (1 decks)

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