mus. (wrist & hand) Flashcards Preview

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Flashcards in mus. (wrist & hand) Deck (14):
1

extensor carpi radialis longus

 

o/1

i/1

 

Q image thumb

o/

  • (Distal third of) lateral supracondylar ridge of humerus

i/

  • Base of 2nd metacarpal

2

extensor carpi radialis longus

 

a/2 /assist 1

*same brevis

 

Q image thumb

a/

  • Extend wrist
  • Radially deviate wrist

Assists

  • flexion of elbow

3

extensor carpi radialis brevis

 

o/1

i/1

 

Q image thumb

o/

  • Lateral epicondyle (via common extender tendon)

i/

  • Base of 3rd metacarpal

4

extensor carpi radialis brevis

 

a/2/assist 1

*same longus

Q image thumb

a/

  • Extend wrist
  • Radially deviate wrist

Assists

  • flexion of elbow

 

5

extensor digitorum communus

 

o/1

i/2

 

Q image thumb

o/

  • Lateral epicondral of humerus (via extendor tendon)

i/

  • Base of proximal and
  • middle phalanges (of 2nd, 3rd, 4th and 5th fingers)

6

extensor digitorum communus

 

a/1/assist 1

Q image thumb

a/

  • Extend wrist & fingers

Assists

  • extension of elbow

7

extensor carpi ulnaris

 

o/1

*Same as digitorum communis

i/1

 

Q image thumb

o/

  • Lateral epicondyle of humerus (via extendor tendon)

*Same as digitorum communis

i/

  • Base of 5th metacarpal

8

extensor carpi ulnaris

 

a/2

 

Q image thumb

a/

  • Extend wrist
  • Ulna deviate wrist (wrist adduction)

9

flexor group 1/3

flexor carpi radialis

o/1

i/1

 

Q image thumb

o/

  • Medial epicondyle of humerus (via common flexor tendon)

i/

  • (Base of) 2nd & 3rd metacarpal

 

10

flexor group 1/3

flexor carpi radialis

a/2

*same as ulnaris but for radius

Q image thumb

a/

  • Flex wrist
  • Radially deviate wrist

11

flexor group 1/3

palmaris longus

o/1

*same as group

i/1

 

 

Q image thumb

o/

  • Medial epicondyle of humerus (via common flexor tendon)

i/

Palmar aponeurosis (superficial fascial …. Just below surface of skin)

12

flexor group 1/3

palmaris longus

a/1

 

 

Q image thumb

a/

  • Wrist flexion

13

flexor group 1/3

flexor carpi ulnaris

o/ 1  *same as group

i/3

 

 

Q image thumb

o/

  • Medial epicondyle of humerus (via common flexor tendon)

i/

  • Pisiform
  • Hook of hamate
  • (Base of) 5th metacarpal

14

flexor group 1/3

flexor carpi ulnaris

a/2

*same as radius but for ulna

 

Q image thumb

a/

  • Flex wrist
  • Ulna deviate wrist