UE lecture 12- Exam 2

Question 1

Anconeus

Answer 1

P: lateral epicondyle
D: olecranon
N: radial C6-8
A: elbow extension

Question 2

Brachioradialis

Answer 2

P: distal humerus
D: radial styloid process
N: radial C5-6
A: elbow extension, some pronation

Question 3

Extensor carpi radialis longus

Answer 3

P: lateral supracondylar ridge humerus
D: base of 2nd metacarpal
N: radial 6-7
A: wrist extension, radial deviation, weak elbow flexion

Question 4

Extensor carpi radialis Brevis

Answer 4

P: lateral Epi
D: base of 3rd metacarpal
N: radial C7-8
A: weak elbow flexion, wrist extension, radial deviation

Question 5

Extensor digitorum

Answer 5

P: lateral epi
D: extensor hood expansion of digits 2-5
N: PIN C7-8
A: wrist extension; extension and abduction of MCP, PIP, DIP digits 2-5

Question 6

Extensor digiti minimi

Answer 6

P: lateral epi
D: extensor hood expansion of digit 5
N: PIN C7-8
A: wrist extension; ulnar deviation; extension and abduction of MCP,PIP,DIP of digit 5

Question 7

Extensor carpi ulnaris

Answer 7

P: lateral epi, ulnar head
D: base of 5th metacarpal
N: PIN C7-8
A: wrist extension, ulnar deviation

Question 8

Supinator

Answer 8

P: lateral epi, olecranon
D: radius between radial tuberosity and pronator Teres
N: radial C6-7
A: supination

Question 9

Abductor pollicis longus

Answer 9

P: dorsal surface of radial and ulna
D: thumb CMC
N: PIN C7-8
A: radial deviation, CMC abduction

Question 10

Extensor pollicis brevis

Answer 10

P: posterior radius
D: thumb MCP
N: PIN C7-8
A: radial deviation; extend thumb CMC and MCP

Question 11

Extensor pollicis longus

Answer 11

P: posterior ulna
D: thumb IP
N: PIN C7-8
A: wrist extension; radial deviation; CMC adduction, thumb MCP and IP extension

Question 12

Extensor indicis

Answer 12

P: posterior ulnar
D: DIP of digit 2
N: PIN C7-8
A: wrist extension; extension of MCP, PIP, DIP of digit 2