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Flashcards in Arm OIAN Deck (31)
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1
Q

Flexor carpi radialis

A

O: Medial epicondyle
I: proximal ends of second and third MC bones
A: wrist and elbow flexion, radial deviation
N: Median

2
Q

Pronator teres

A

O:medial epicondyle; anterior surface of ulna below coronoid process
I: midpoint of the lateral surface of the shaft of the radius
A: pronation (PM), flexion of elbow
N: median

3
Q

Flexor carpi ulnaris

A

O: medial epicondyle
I: pisioform, proximal end of 5th MC bone, hamate via psi-hamate ligament
A: flexion of wrist and elbow, ulnar deviation (PM)
N: ulnar

4
Q

Palmaris longus

A

O: meidal epicondyle
I: palmar aponeurosis
A: weak flexor of wrist and elbow
N: median

5
Q

Flexor digitorum profundus

A

O: anterior surface of ulna
I: base of the distal phalanges of medial 4 fingers
A: wrist flexion (PM), MCP, PIP and DIP flexion
N: medial fibers = ulnar, lateral fibers = median

6
Q

Flexor digitorum superficialis

A

O: medial epicondyle, anterior surface of radius, sometimes anterior surface of ulna
I: either side of middle phalanges of medial 4 fingers
A: help in flexion of wrist and elbow. MCP and PIP flexion
N: median

7
Q

Pronator quadratus

A

attachments:
-distal quarter of radius and ulna
A: pronates forearm
N: median

8
Q

Flexor policis longus

A

O: medial epicondyle (sometimes), anterior surface of radius
I: distal phalanx of thumb
A: flexion of thumb (PM)
N: median

9
Q

Anconeus

A

O: lateral epicondyle
I: upper 1/3 of posterior surface of ulna
A: extension of elbow
N: radial

10
Q

brachioradialis

A

O: lateral supracondylar ridge
I: styloid process of radius
A: flexion of elbow (PM from 90-110 degrees)
N: radial

11
Q

Extensor carpi radialis longus

A

O: lateral supracondylar ridge
I: proximal end of 2nd MC
A: extension of wrist and elbow, radial deviation
N: radial

12
Q

Extensor carpi radialis brevis

A

O: lateral epicondyle
I: proximal end of 3rd MC
A: extension of wrist and elbow, radial deviation
N: deep radial

13
Q

Extensor digitorum

A

O: lateral epicondyle
I: DDE (indirectly to middle and distal phalange)
A: PM for extension of wrist, MCP, PIP and DIP
N: posterior interosseous

14
Q

Extensor digiti minimi

A

O: lateral epicondyle
I: DDE of 5th digit
A: extension of wrist and joints of 5th finger
N: posterior interosseous

15
Q

Extensor carpi ulnaris

A

O: lateral epicondyle
I: proximal end of 5th MC
A: extension of wrist and elbow; adduction
N: posterior interosseous

16
Q

Supinator

A
O: 
ulnar head = supinator crest of ulna
humeral head = lateral epicondyle 
I: lateral aspect of middle 1/3 of radius 
A: supination
N: deep radial
17
Q

Abductor pollicis longus

A

O: shaft of ulna
I: proximal end of 1st MC
A: abduction of thumb (PM)
N: posterior interosseous

18
Q

Extensor indicis

A

O: shaft of ulna
I: DDE of 2nd finger
A: extension of 2nd finger
N: posterior interosseous

19
Q

Extensor pollicis longus

A

O: shaft of ulna
I: distal phalanx of thumb
A: extension of thumb (PM), assists in radial deviation and wrist flexion
N: posterior interossous

20
Q

Extensor pollicis brevis

A

O: posterior surface of radius and IO membrane
I: proximal phalanx of thumb
A: radial deviation, extension of thumb
N: posterior interosseous

21
Q

Flexor pollicis brevis

A
O: lateral carpal bones and flexor retinaculum
I: proximal phalanx
A: flexion of thumb 
N: 
superficial head - median nerve
deep head - ulnar nerve
22
Q

Abductor pollicis brevis

A

O: scpahoid and trapezium; flexor aponeurosis
I: proximal phalanx
A: abduction of thumb
N: median nerve

23
Q

Adductor pollicis

A

O:
oblique head and distal head - distal carpal bones and 2nd and 3rd MC
transverse head
oblique and distal heads - base of proximal phalanx of thumb
A: PM for adduction of thumb
N: deep ulnar (both heads)

24
Q

Opponens pollicis

A

O: lateral carpal bones
I: lateral surface of first MC bone
A: PM opposition of thumb
N: median n.

25
Q

Abductor digiti minimi

A

O: medial carpal bones and tendon of FCU
I: proximal phalanx of 5th finger and sometimes 5th MC
A: abduction of 5th digit
N: deep ulnar nerve

26
Q

Palmaris brevis

A

O: palmar fascia, palmari longus, flexor retinaculum
I: deep surface of skin on medial side of hand
A: making hand into cup
N: superficial ulnar nerve

27
Q

Opponens digiti minimi

A

O: medial carpal bones and flexor retinaculum
I: medial side of 5th MC bone
A: opposition of 5th finger
N: deep ulnar

28
Q

Flexor digiti minimi

A

O: medial carpal bones and flexor retinaculum
I: proximal end of proximal phalanx of 5th finger
A: helps in flexion
N: deep ulnar

29
Q

Palmar interosseous

A

O: 2, 4 and 5th MC bones
I: DDE of corresponding fingers
A: adduction of fingers
N: deep ulnar

30
Q

Lumbricals

A

O: FDP
I: DDE of corresponding layers
A: flexion of MCP, extension of PIP and DIP
N: lateral 2 = medial n., medial 2 = deep ulnar n.

31
Q

Dorsal interosseous

A

O: all MC’s
I: DDE of fingers
A: abduction of fingers
N: deep ulnar