Inter-carpal Joints

Question 1

Type of joint

Answer 1

Synovial plane joints between carpals joints

Question 2

Joint between first and second row

Answer 2

Mid-carpal joint

Question 3

More ligaments plus

Answer 3

Flexor retinaculum - this binds all carpal bones together and form the carpal tunnel

Question 4

Movement of the wrist

Answer 4

Flexion - palm towards forearm

Extension - straightening flexed wrist

Abduction - limited

Adduction - ulnar deviation

Question 5

What does the carpal tunnel do?

Answer 5

Transports tendons to the hand as well as blood vessels and nerves

Question 6

Anatomical snuffbox

Answer 6

Hallow region between tendons of abductor pollicis longus and extensor policis Brevis and abductor pollicis longus when the thumb is extended.

Question 7

Muscles of forearm

Answer 7

The flexors originate at common flexor tendon at medial epicondyle

The extensors back of the wrist and fingers come from common extensor origin on the lateral epicondyle

Question 8

Carpo-metacarpal joints

Answer 8

1st of a saddle joint which allows opposition of the thumb

Question 9

Inter-metacarpal joint

Answer 9

Synovial plane joint

Question 10

Meta-carpal phalangeal joints

Answer 10

Synovial condyloid joints

Question 11

Muscles of the hand

Answer 11

2 groups which form the thenar and hypothenar eminences plus deeper muscles in the palm of the hand

Small deep muscles in the hand known as intrinsic muscles