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Gross Anatomy: Upper Extremity > Lateral and Posterior FA and Hand Muscles > Flashcards

Lateral and Posterior FA and Hand Muscles Flashcards

1
Q

Brachioradialis

A

O: Lateral supracondylar ridge of humerus
I: Base of styloid process of radius

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2
Q

Extensor carpi radialis longus

A

O: Lateral supracondylar ridge of humerus
I: Posterior surface of base of 2nd metacarpal bone

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3
Q

Extensor carpi radialis brevis

A

O: Lateral epicondyle of humerus
I: Posterior surface of base of third metacarpal bone

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4
Q

Extensor Digitorum

A

O: Lateral epicondyle of humerus
I: Middle and distal phalanges of medial 4 fingers

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5
Q

Extensor Digiti Minimi

A

O: Lateral epicondyle of humerus
I: Extensor expansion of little finger

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6
Q

Extensor Carpi Ulnaris

A

O: Lateral epicondyle of humerus
I: Base of 5th metacarpal bone

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7
Q

Anconeus

A

O: Lateral epicondyle of humerus
I: Lateral surface of olecranon process of ulna

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8
Q

Supinator

A

O: Lateral epicondyle of humerus, annular ligament of proximal radioulnar joint, and ulna
I: Neck and shaft of radius

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9
Q

Abductor Pollicis Longus

A

O: Posterior surface of shaft of radius and ulna
I: Base of first metacarpal bone

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10
Q

Extensor Pollicis Brevis

A

O: Posterior surface of shaft of radius
I: Base of proximal phalanx of thumb

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11
Q

Extensor Pollicis Longus

A

O:Posterior surface of shaft of ulna
I: Base of distal phalanx of thumb

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12
Q

Extensor Indicis

A

O:Posterior surface of shaft of ulna
I: Extensor expansion of index finger

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13
Q

Abductor Pollicis Brevis

A

O: Scaphoid, Trapezium, Flexor Retinaculum
I:Base of proximal phalanx of thumb

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14
Q

Flexor pollicis brevis

A

O: Flexor retinaculum
I: Base of proximal phalanx of thumb

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15
Q

Opponens Pollicis

A

O: Flexor retinaculum
I: Shaft of metacarpal bone of thumb

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16
Q

Adductor Pollicis

A

O: Oblique head; 2nd and 3rd metacarpal bones; transverse head; 3rd metacarpal bone
I: Base of proximal phalanx of thumb

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17
Q

Abductor digiti minimi

A

O: Pisiform bone
I: Base of proximal phalanx of little finger

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18
Q

Flexor digiti minimi

A

O: Flexor Retinaculum
I: Base of proximal phalanx of little finger

19
Q

Opponens digiti minimi

A

O: Flexor Retinaculum
I: Medial border fifth metacarpal bone

20
Q

Muscles of little finger

A

Abductor digiti minimi
Flexor Digiti minimi
Opponens digiti minimi

21
Q

Muscles of thumb

A

Abductor pollicis brevis
Flexor pollicis brevis
Opponens pollicis
Adductor pollicis

22
Q

Flexes forearm at elbow joint; rotates forearm to the mid prone position; Radial nerve; 5-7

A

Brachioradialis action, NS and NR

23
Q

Extends and abducts hand at wrist joint; Radial nerve; 6-7

A

Extensor carpi radialis longus action, NS and NR

24
Q

Extends and abducts hand at wrist joint; deep branch of radial nerve; 7-8

A

Extensor carpi radialis action, NS and NR

25
Q

Extends fingers and hands; deep branch of radial nerve; 7-8

A

Extensor digitorum action, NS and NR

26
Q

Extends metacarpal phalangeal joint of little finger; deep branch of radial nerve; 7-8

A

Extensor digiti minimi action, NS and NR

27
Q

Extends and adducts hand at wrist joint; deep branch of radial nerve; 7-8

A

Extensor carpi ulnaris action, NS and NR

28
Q

Extends elbow joint; radial nerve; 7-T1

A

Anconeus action, NS and NR

29
Q

Supination of forearm; deep branch of radial nerve; 7-8

A

Supinator action, NS and NR

30
Q

Abducts and extends thumb; deep branch of radial nerve; 7-8

A

Abductor Pollicis Longus action, NS and NR

31
Q

Extends metacarpophalangeal joints of thumb; deep branch of radial nerve; 7-8

A

Extensor pollicis brevis action, NS and NR

32
Q

Extend distal phalanx of thumb; deep branch of radial nerve; 7-8

A

Extensor pollicis longus action, NS and NR

33
Q

Extends metacarpophalangeal joint of index finger; deep branch of radial nerve; 7-8

A

Extensor indicis action, NS and NR

34
Q

Abduction of thumb; median nerve; 8-T1

A

Abductor pollicis brevis action, NS and NR

35
Q

Flexes metacarpophalangeal joint of thumb; median nerve; 8-T1

A

Flexor pollicis brevis action, NS and NR

36
Q

Pulls thumb medially and forward across palm; median nerve; 8-T1

A

Opponens pollicis action, NS and NR

37
Q

Adduction of thumb; deep branch of ulnar nerve; 8-T1

A

Adductor pollicis action, NS and NR

38
Q

Abducts little finger; deep branch of ulnar nerve; 8-T1

A

Abductor digiti minimi action, NS and NR

39
Q

Flexes little finger; deep branch of ulnar nerve; 8-T1

A

Flexor digiti minimi action, NS and NR

40
Q

Pulls 5th metacarpal forward as in cupping the palm; deep branch of ulnar nerve; 8-T1

A

Opponens digiti minimi action, NS and NR

41
Q

Blood supply of muscles of the hand

A

Radial and Ulnar Artery

42
Q

Blood supply of lateral compartment of forearm

A

Radial and Brachial Artery

43
Q

Blood supply of posterior compartment of forearm

A

Posterior and anterior interosseous artery

44
Q

Blood supply of anterior compartment of forearm

A

Radial and ulnar artery

Gross Anatomy: Upper Extremity (4 decks)

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