Extensor Forearm Muscles

Question 1

How many muscles extend the wrist and what are they

Answer 1

3 the ECRL,ECRB,ECU

Question 2

How many muscles extend the metacarpophalangeal joints

Answer 2

3 EDM , APL, EPB, EPL

Question 3

how many muscles form the snuff box and what are they

Answer 3

Three muscles: Extensor pollicis longus, Extensor pollicis brevis, Abductor pollicis longus.

Question 4

How many muscles supinate the forearm and what are they?→

Answer 4

one and the supinator muscle

Question 5

What is de Quervains tensynovitis?

Answer 5

condition in which compression of tendons in compartment 1 of the extensor retinaculum

Question 6

What is Finkelstein’s test?

Answer 6

A test used to diagnose De Quervain’s tenosynovitis by having the patient make a fist with the thumb inside the fingers and then moving the wrist towards the little finger. Pain at base of thumb suggests further evaluation should be done to diagnosis disease

Question 7

What muscles lie in the superficial layer of posterior forearm?→

Answer 7

Brachioradialis , extensor carpi radialis longus, extensor carpi radialis brevis, extensor digiti minimi,extensor carpi ulnaris

Question 8

what muscles make up the deep layer of the posterior forearm?→

Answer 8

supinator

Question 9

what muscles make up the outcropping layer of the posterior forearm?

Answer 9

abductor pollicis longus,extensor pollicis longus,extensor pollicis brevis,extensor indicis

Question 10

What is a symptom of scaphoid fracture?

Answer 10

tenderness in the anatomical snuffbox

Question 11

what muscles make up the compartments ?

Answer 11

1→APL and EPB

2→Muscles: Extensor Carpi Radialis Longus, Extensor Carpi Radialis Brevis,

3→extensor pollicis longus

4→extensor digitorum and extensor indicicis

5→extensor carpi ulnaris

6→extensor digiti minimi