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Anatomy- Cadaver Lab > Posterior Forearm And Hand > Flashcards

Posterior Forearm And Hand Flashcards

1
Q

Brachioradialis: Origin

A

Lateral supracondylar ridge of humerus

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2
Q

Brachioradialis: Insertion

A

Lateral distal end of radius

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3
Q

Brachioradialis: Action

A

Flex forearm

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4
Q

Brachioradialis: Innervation

A

Radial n.

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5
Q

Brachioradialis: Blood Supply

A

Branch of radial artery (namely-radial recurrent a.)

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6
Q

Extensor carpi radialis longus: Origin

A

Lateral supracondylar ridge of humerus

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7
Q

Extensor carpi radialis longus: Insertion

A

Base of second metacarpal

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8
Q

Extensor carpi radialis longus: Action

A

Extension of hand at wrist, abduction (radial abduction) of hand at wrist

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9
Q

Extensor carpi radialis longus: Innervation

A

Radial n.

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10
Q

Extensor carpi radialis longus: Blood Supply

A

Radial a.

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11
Q

Extensor carpi radialis brevis: Origin

A

Lateral epicondyle of humerus

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12
Q

Extensor carpi radialis brevis: Insertion

A

Base of third metacarpal

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13
Q

Extensor carpi radialis brevis: Action

A

Extend hand at wrist, abduction (radial abduction) of hand at wrist

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14
Q

Extensor carpi radialis brevis: Innervation

A

Radial n.

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15
Q

Extensor carpi radialis brevis: Blood Supply

A

Radial a.

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16
Q

Extensor digitorum: Origin

A

Lateral epicondyle of humerus

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17
Q

Extensor digitorum: Insertion

A

Middle and distal phalanges of digits 2-5

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18
Q

Extensor digitorum: Action

A

Extend all joints (MCP, PIP, DIP) of digits 2-5

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19
Q

Extensor digitorum: Innervation

A

Radial n.

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20
Q

Extensor digitorum: Blood Supply

A

Branches of ulnar a. (namely- interosseous recurrent a., posterior interosseous a.)

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21
Q

Extensor digiti minimi: Origin

A

Lateral epicondyle of humerus

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22
Q

Extensor digiti minimi: Insertion

A

Middle and distal phalanges of digit 5

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23
Q

Extensor digiti minimi: Action

A

Extend all joints (MCP, PIP, DIP) of digit 5

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24
Q

Extensor digiti minimi: Innervation

A

Radial n.

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25
Extensor digiti minimi: Blood Supply
Branches of ulnar a. (namely-interosseous recurrent a.)
26
Extensor carpi ulnaris: Origin
Lateral epicondyle of humerus
27
Extensor carpi ulnaris: Insertion
Base of fifth metacarpal
28
Extensor carpi ulnaris: Action
Extension and adduction (ulnar abduction) hand at wrist
29
Extensor carpi ulnaris: Innervation
Radial n.
30
Extensor carpi ulnaris: Blood Supply
Ulnar a.
31
Supinator: Origin
Lateral epicondyle of humerus, supinator crest and fossa of ulna
32
Supinator: Insertion
Proximal 1/3 of the radius
33
Supinator: Action
Supination of the forearm
34
Supinator: Innervation
Radial n.
35
Supinator: Blood Supply
Branches of ulnar a. (namely- interosseous recurrent a.)
36
Abductor Pollicis Longus: Origin
Posterior surfaces of radius and ulna
37
Abductor Pollicis Longus: Insertion
Base of metacarpal I
38
Abductor Pollicis Longus: Action
Abduction of thumb; extension of thumb
39
Abductor Pollicis Longus: Innervation
Radial n.
40
Abductor Pollicis Longus: Blood Supply
Branches of ulnar a. (namely- posterior interosseous a.)
41
Extensor Pollicis Brevis: Origin
Posterior surface of radius
42
Extensor Pollicis Brevis: Insertion
Base of proximal phalanx of thumb
43
Extensor Pollicis Brevis: Action
Extension of proximal phalanx of thumb
44
Extensor Pollicis Brevis: Innervation
Radial n.
45
Extensor Pollicis Brevis: Blood Supply
Branches of ulnar a. (namely- posterior interosseous a.)
46
Extensor Pollicis Longus: Origin
Posterior surface of ulna
47
Extensor Pollicis Longus: Insertion
Base of distal phalanx of thumb
48
Extensor Pollicis Longus: Action
Extension of distal phalanx of thumb
49
Extensor Pollicis Longus: Innervation
Radial n.
50
Extensor Pollicis Longus: Blood Supply
Branches of ulnar a. (namely- posterior interosseous a.)
51
Extensor Indicis: Origin
Posterior surface of ulna
52
Extensor Indicis: Insertion
Middle and distal phalanges of digit 2
53
Extensor Indicis: Action
Extension of all joints (MCP, PIP, DIP) of digit 2
54
Extensor Indicis: Innervation
Radial n.
55
Extensor Indicis: Blood Supply
Branches of ulnar a. (namely- posterior interosseous a.)
56
Dorsal interossei: Origin
Adjacent sides of two metacarpals (Dl:metacarpals 1 & 2; D2: metacarpals 2&3; D3: metacarpals 3 & 4; D4: metacarpals 4 &5)
57
Dorsal interossei: Insertion
Extensor expansion tendons of digits 2,3,4
58
Dorsal interossei: Action
Abduct digits 2,4; abduct digit 3 toward the radius or ulna
59
Dorsal interossei: Innervation
Ulnar n.
60
Dorsal interossei: Blood Supply
Dorsal and palmar metacarpal arteries
61
Carpals- anterior. Thumb side toward pinky, start on the bottom
Bottom: Scaphoid, Lunate, Triquetrum, Pisiform Top: Trapezium, Trapezoid, Capitate, Hamate She Looks Too Pretty Try To Catch Her
62
Extensor Pollicis Brevis: Origin
posterior surface of radius
63
Extensor Pollicis Brevis: Origin
posterior surface of radius
64
Extensor Pollicis Brevis: Insertion
base of proximal phalanx of thumb
65
Extensor Pollicis Brevis: Action
extension of proximal phalanx of thumb
66
Extensor Pollicis Brevis: Innervation
Radial n.
67
Extensor Pollicis Brevis: Blood Supply
branches of ulnar a. (namely- posterior interosseous a.)

Anatomy- Cadaver Lab (9 decks)

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