Elbow/wrist/hand

Question 1

Primary flexors of elbow joint

Answer 1

Brachialis

Biceps

Question 2

Secondary flexors of elbow joint

Answer 2

Brachioradialis

Supinator

Question 3

Primary extensor of elbow joint

Answer 3

Triceps m

Question 4

Secondary extensor of elbow joint

Answer 4

Anconeus

Question 5

Normal carrying angles for elbow in males vs females

Answer 5

Males: 5-10 degrees
Females: 10-15 degrees

Question 6

Supination is coupled to what motion at the proximal radial head?

Answer 6

Supination = anterior proximal radial head

Question 7

Pronation is coupled to what motion at the proximal radial head?

Answer 7

Pronation = posterior proximal radial head

Question 8

Falling supine would likely result in what SD of the radial head?

Answer 8

Supinated (anterior) radial head

Question 9

Primary flexors of the wrist

Answer 9

Flexor carpi radialis

Flexor carpi ulnaris

Question 10

Primary extensors of the wrist

Answer 10

Extensor carpi radialis longus m
Extensor carpi radialis brevis m
Extensor carpi ulnaris m

Question 11

Primary supinators of the wrist

Answer 11

Biceps m

Supinator m

Question 12

Secondary supinator of the wrist

Answer 12

Brachioradialis

Question 13

Primary pronators of the wrist

Answer 13

Pronator teres

Pronator quadratus

Question 14

Secondary pronator of the wrist

Answer 14

Flexor carpi radialis m

Question 15

Tendons of what muscles make up the anatomic snuffbox?

Answer 15

EPL

EPB & APL

Question 16

Wrist flexion = _______ glide of proximal carpal bones

Answer 16

Posterior/dorsal

[wrist extension = anterior/ventral glide of proximal carpal bones]

Question 17

Ulnar deviation = ________

Answer 17

Adduction

Question 18

Action of adductor pollicis brevis

Answer 18

Flexion of the thumb

Question 19

Tx for nursemaid’s elbow

Answer 19

Place thumb on anterior side of radial head

Apply gentle longitudinal traction

Supinate fully

Flex elbow

Question 20

Principles governing elbow joint:

1. SD is found in the ______ gliding motions of the joint, not the opposite
2. SD of the ________ joint is usually primary and SD of the ______ joint is usually secondary
3. Impaired funcion of any joint of the arm produces compensatory changes in nearby/distal joints (may cause secondary SD)

Answer 20

Minor

Ulnohumeral; radioulnar

Question 21

What is the reference point for naming dysfunctions of the elbow?

Answer 21

Distal ulna