Muscles Of The Anterior Compartment Of The Arm

Question 1

Biceps brachii origin

Answer 1

Long head- Supraglenoid tubercle

Short head- coracoid process

Question 2

Biceps brachii insertion

Answer 2

Radial Tuberosity and bicipital aponeurosis (blends with antebrachial fascia)

Question 3

Biceps brachii nerve

Answer 3

musculocutaneous

Question 4

Biceps brachii action

Answer 4

Supinates forearm and flexes elbow when arm is supine

Question 5

Biceps brachii blood supply

Answer 5

brachial artery

Question 6

Brachialis origin

Answer 6

Distal half of anterior humerus

Question 7

Brachialis insertion

Answer 7

Coronoid process and ulnar Tuberosity

Question 8

Brachialis nerve

Answer 8

musculocutaneous

Question 9

Brachialis action

Answer 9

Flexes the elbow in all positions

Question 10

Coracobrachialis origin

Answer 10

coacoid process( along with short head biceps origin and pec minor insertion)

Question 11

Coracobrachialis insertion

Answer 11

Medial third of medial humerus

Question 12

Coracobrachialis nerve

Answer 12

musculocutaneous

Question 13

coracobrachialis action

Answer 13

assists in flexion and adduction adduction at shoulder joint