Bones of Forearm, Wrist and Hand

Question 1

label the anatomy of the radius and ulna

Answer 1

Question 2

what sits between the ulna and the carpal bones?

Answer 2

articular disc

Question 3

the radius articulates with which carpal bones?

Answer 3

scaphoid and lunate

Question 4

what type of fluid is found between the forearm and carpal bones?

Answer 4

synovial

Question 5

flexion of the wrist joint is caused by contraction of the muscles in which compartment?

Answer 5

anterior

Question 6

extension of the wrist joint is caused by muscles in which compartment?

Answer 6

posterior compartment

Question 7

what is the combined action of flexor and extensor carpi ulnaris?

Answer 7

ulnar deviation or adduction of the wrist

Question 8

which muscles are responsible for radial deaviation or abduction of the wrist?

Answer 8

flexor and extensor carpi radialis

Question 9

There are 5 metacarpal bones in total and they articulate proximally at which joint? and distally at which joint?

Answer 9

proximally: carpo-meto-carpal (CMC) joints
distally: metacarpophalangeal (MP) joints