Wrist complex

Question 1

How many bones joints muscles

Answer 1

29 bones
25 joints
30 muscles

Question 2

What is the function of the wrist complex

Answer 2

Allows complex and highly developed mechanisms for a variety of movements

Question 3

Flexion muscles

Answer 3

Flexor carpi ulnaris
Flexor carpi radialis 
Palmaris longus
Flexor digitorum
Flexor policis longus

Question 4

Extension muscles

Answer 4

Extensor carpi ulnaris 
Extensor carpi radialis longus and brevis 
Extensor digitorum
Extensor indicis
Extensor digiti minimi
Extensor pollicis longus and brevis

Question 5

Abduction muscles

Answer 5

Abductor pollicis longus
Flexor carpi radialis
Extensor carpi radialis longus and brevis

Question 6

Adduction muscles

Answer 6

Flexor carpi ulnaris

Extensor carpi ulnaris

Question 7

Injury - lateral epicondylitis

Answer 7

Repetitive extension of wrist causing irritating and inflammation at extensor insertion
(tennis elbow)

Question 8

Injury - medial epicondylitis

Answer 8

Repetitive forceful flexion of wrist causing irritation and inflammation at flexor insertion

Question 9

Carpal tunnel syndrome

Answer 9

Strong fibrous bands of fascia called flexor retinaculum arch over the carpal bones on the palmar aspect of the hand

These form caul tunnel which contain flexor tendons
Inflammation of tendons and synovial sheets surrounding tendons - compression of median nerve