Forearm

Question 1

The forearm is divided into what compartments?

Answer 1

Anterior and posterior

Question 2

What muscles are found in the anterior forearm?

Answer 2

Biceps brachii
Coracobrachialis
Brachialis

Question 3

The posterior forearm contains the triceps brachii only. True/false?

Answer 3

True

Question 4

What nerve innervates the anterior forearm?

Answer 4

Musculocutaneous nerve

Question 5

What nerve(s) innervates the triceps brachii?

Answer 5

Radial and axillary

Question 6

What are the origins of the biceps brachii?

Answer 6

Supraglenoid tubercle (long head) and coracoid process (short head)

Question 7

The biceps brachii inserts where?

Answer 7

Radial tuberosity

Question 8

What are the actions of the biceps brachii?

Answer 8

Elbow flexion
Forearm supination
Shoulder flexion and abduction

Question 9

What is the origin of the coracobrachialis?

Answer 9

Coracoid process

Question 10

What is the insertion of the coracobrachialis?

Answer 10

Midshaft of humerus

Question 11

The coracobrachialis enables arm extension at the glenohumeral joint. True/false?

Answer 11

False - arm flexion

Question 12

What is the origin of the brachialis?

Answer 12

Humerus

Question 13

What is the insertion of the brachialis?

Answer 13

Ulnar tuberosity

Question 14

The brachialis is responsible for what?

Answer 14

Forearm flexion at the elbow

Question 15

The triceps brachii originates where?

Answer 15

Infraglenoid tubercle

Question 16

The triceps brachii inserts where?

Answer 16

Olecranon

Question 17

What movement does the triceps brachii enable?

Answer 17

Elbow extension