Anterior and posterior compartments of the arm

Question 1

Origin of brachialis?

Answer 1

Humerus.

Question 2

Insertion of brachialis?

Answer 2

Ulnar tuberosity.

Question 3

Joint/s crossed by brachialis?

Answer 3

Anterior elbow.

Question 4

Action/s of brachialis for joints?

Answer 4

Elbow flexion.

Question 5

Joint/s crossed by biceps brachii?

Answer 5

Anterior GHJ, anterior elbow joint, proximal RUJ.

Question 6

Action/s of biceps brachii for joints?

Answer 6

GHJ flexion, elbow flexion, proximal RUJ supination.

Question 7

Joint/s crossed by coracobrachialis?

Answer 7

Anterior GHJ.

Question 8

Action/s of coracobrachialis for joints?

Answer 8

GHJ flexion and adduction.

Question 9

Origin of triceps brachii - long head?

Answer 9

Infraglenoid tubercle.

Question 10

Origin of triceps brachii - lateral head?

Answer 10

Post humerus above radial groove.

Question 11

Origin of triceps brachii - medial head?

Answer 11

Post humerus below radial groove.

Question 12

Insertion of all heads of triceps brachii?

Answer 12

Olecranon process.

Question 13

Joint/s crossed by triceps brachii - long head?

Answer 13

GHJ and elbow.

Question 14

Joint/s crossed by triceps brachii lateral and medial heads?

Answer 14

Elbow.

Question 15

Action/s of triceps brachii (long head) for joints?

Answer 15

GHJ and elbow extension.

Question 16

Action/s of triceps brachii (medial and lateral heads) for joints?

Answer 16

Elbow extension.