Lateral Compartment Of Forearm

Question 1

How many muscles of lateral compartment of forearm?
Name?

Answer 1

2 muscles:
1.Brachioradialis
2.Extensor Carpi radialis longus

Question 2

Origin and insertion of brachioradialis?

Answer 2

Origin:
Lateral supracondylar ridge of humerus

Insertion:
Styloid process of the radius

Question 3

Innervation of brachioradialis?

Answer 3

Radial nerve

Question 4

Which muscle forms the lateral border of cubital fossa?

Answer 4

Brachioradialis

Question 5

Action of brachioradialis?

Answer 5

Flexes the forearm at elbow joint
Rotate the forearm to midprone position

Question 6

Origin and insertion of extensor carpi radialis longus?

Answer 6

Origin:
Lateral supracondylar ridge of humerus

Insertion:
Base of the 2nd metacarpal bone

Question 7

Innervation of extensor carpi radialis longus?

Answer 7

Radial nerve

Question 8

The nerve that innervates posterior compartment of upper arm and forearm and also provides the lateral compartment of forearm?

Answer 8

Radial nerve

Question 9

Brachioradialis and extensor carpi radialis longus have a common origin that is?

Answer 9

Lateral supracondylar ridge of humerus

Question 10

Action of extensor carpi radialis longus?

Answer 10

Extends and abducts the hand at wrist joint