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Arm Flashcards

1
Q

What three mm make up the thenar eminence?

A

flexor pollicis brevis, opponens pollicis, abductor pollicis brevis

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2
Q

O: adductor pollicis

A

trapezoid, capitate, metacarpals 2&3

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3
Q

I: adductor pollicis

A

proximal phalanx of thumb

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4
Q

F: adductor pollicis

A

adduct thumb

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5
Q

N: adductor pollicis

A

deep branch ulnar N.

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6
Q

O: opponens pollicis

A

trapezium and scaphoid

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7
Q

I: opponens pollicis

A

first metacarpal

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8
Q

F: opponens pollicis

A

opposition of thumb

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9
Q

N: opponens pollicis

A

recurrent branch of median N.

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10
Q

O: extensor pollicis brevis

A

radius and interosseus membrane

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11
Q

I: extensor pollicis brevis

A

proximal phalanx of thumb

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12
Q

F: extensor pollicis brevis

A

extends thumb, assist with radial deviation

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13
Q

N: extensor pollicis brevis

A

Posterior interosseous branch of radial N.

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14
Q

O: abductor pollicis longus

A

radius, ulna, interosseous membrane

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15
Q

I: abductor pollicis longus

A

base of 1st metacarpals

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16
Q

F: abductor poll. longus

A

abduct and extend thumb

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17
Q

N: abductor pollicis longus

A

Radial N. (PIB)

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18
Q

O: Extensor pollicis longus

A

post. radius and interosseus membrane

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19
Q

I: extensor pollicis longus

A

distal phalanx of thumb

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20
Q

F: Extensor pollicis longus

A

extends the thumb and helps with wrist extension

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21
Q

N: extensor pollicis longus

A

radial nerve (PIB)

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22
Q

O: extensor carpi ulnaris

A

lateral epicondyle of humerus

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23
Q

I: extensor carpi ulnaris

A

base of 5th metacarpal

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24
Q

F: extensor carpi ulnaris

A

extends and ulnarly deviates wrist

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25
N: extensor carpi ulnaris
radial N. (PIB)
26
O: supinator
lateral epicondyle
27
I: supinator
proximal radius
28
F: supinator
supinates hand
29
N: supinator
radial N. (PIB)
30
O: abductor pollicis brevis (thenar emm.)
scaphoid/trapezium
31
I: abductor pollicis brevis (thenar emm)
prox phalanx of thumb
32
F: abductor pollicis brevis (thenar emm)
abducts thumb
33
N: abductor pollicis brevis (thenar emm)
recurrant branch of median N.
34
O: flexor pollicis brevis (thenar emm)
trapezium and scaphoid
35
I: flex. poll brevis (thenar emm)
prox. phalanx of thumb
36
F: flex poll brevis (thenar emm)
flex, adduct thumb
37
N: flex poll brevis (thenar emm)
median and ulnar NN
38
O: extensor digitorum
lateral epicondyle
39
I: extensor digitorum
distal phalanx of digits 2-5
40
F: extensor digitorum
extends digits
41
N: extensor digitorum
radial N. (PIB)
42
O: extensor carpi radialis brevis
lateral epicondyle
43
I: extensor carpi radialis brevis
base of 3rd metacarpal
44
F: extensor carpi radialis brevis
extends wrist
45
N: extensor carpi radialis brevis
radial N.
46
O:extensor carpi radialis longus
lateral supercondylar ridge
47
I:extensor carpi radialis longus
base of 2nd metacarpal
48
F: extensor carpi radialis longus
extends and radially deviates wrist
49
N: extensor carpi radialis longus
radial N.
50
O: flexor pollicis longus
anterior radius, interosseus membrane
51
I: flexor pollicis longus
distal phalanx, digit 1
52
F: flexor pollicis longus
flexes thumb
53
N: flexor pollicis longus
median N.
54
O: palmeris longus
medial epicondyle
55
I:palmeris longus
palmer aperneurosis
56
F: palmeris longus
flex wrist, assist elbow flexion
57
N: palmeris longus
median N.
58
O: flexor digitorum superficialis
medial epicondyle and upper radius
59
I: flexor digitorum superficialis
middle phalanx of digits 2-5 (splits, snake tongue)
60
F: flexor digitorum superficialis
flexes fingers
61
N: flexor digitorum superficialis
median N.
62
O: flexor digitorum profundus
upper ulna and interosseous membrane
63
I: flexor digitorum profundus
distal phalanx of digits 2-5
64
F: flexor digitorum profundus
flexes fingers
65
N: flexor digitorum profundus
digits 1-3= median, digits 4&5= ulnar
66
O: flexor carpi ulnaris
medial epicondyle
67
I: flexor carpi ulnaris
pisiform, hamate and 5th metacarpal
68
F: flexor carpi ulnaris
flex and ulnar deviate wrist
69
N: flexor carpi ulnaris
ulnar N.
70
O: flexor carpi radialis
medial epicondyle
71
I: flexor carpi radialis
base of 2nd and 3rd metacarpals
72
F: flexor carpi radialis
flex and radially deviate wrist
73
N: flexor carpi radialis
median N.
74
O: pronator quadratus
distal ulna
75
I: pronator quadratus
distal radius
76
F: pronator quadratus
pronate hand
77
N: pronator quadratus
median N.
78
O: pronator teres
medial epicondyle of humerus
79
I: pronator teres
lateral shaft of radius
80
F: pronator teres
pronates hand and flexes elbow
81
N: pronator teres
median N.
82
describe the arteries of the upper limb
aortic arch curves toward the L, it gives off L subclavian A., left common carotid, and the brachiocephalic trunk. The Brachiocepalic trunk splits into R common carotid and R subclavian. The subclavian arteries go past the first rib where their name changes to axillary artery, it then goes past teres major where it's name changes again to the brachial artery. The brachial artery splits into the radial artery and ulnar artery. The radial Artery becomes the deep palmer arch, the ulnar artery becomes the superficial palmar arch.
83
O anconeus
back of lateral epicondyle
84
I anconeus
lateral side of olecranon
85
F anconeus
extends forarm and pronates
86
N anconeus
radial N
87
Describe the brachial plexus
C5,6,7 together make up the long thoracic nerve. C5 is dorsal scapular, C 5,6, together make the subclavius N. Then, there are 3 trunks, superior, middle and inferior. The superior trunk gives off suprascapular N. before it becomes the lateral cord and gives off the lateral pectoral N. off the lateral cord before it becomes the musculocutaneous N. The middle trunk becomes the posterior cord (one in the middle) and gives off Upper subscapular, thoracodorsal, and lower subscapular NN before splitting into the radial N. and axillary N. The inferior trunk becomes the medial cord and gives off medial pectoral N. before becoming the ulnar nerve. The musculocutaneous and ulnar NN both contribute to make the Median N.
88
Bones of the hand
Starting thumbside in palmer view, most proximal row, thumb-->pinky= Sally (scaphoid), lowers (lunate), toms(triquetrum), pants (pisiform) now distal row, thumb-->pinky again= then (trapezium), things (trapezoid), can (capitate) happen (hamate).

Anatomy (8 decks)

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