Muscles primarily acting at elbow joint

Question 1

Triceps brachi (a. Long head, b. Lateral head, c. Accessory head, d. Medial head)- O

Answer 1

a. Caudal border of scapula
b. tricipital line of humerus
c. Neck of humerus
d. Crest of lesser tubercle

Question 2

Triceps brachi- I

Answer 2

Olecranon (process)

Question 3

Triceps brachi- N

Answer 3

Radial n.

Question 4

Triceps brachi- A

Answer 4

Extend elbow; will also flex shoulder

Question 5

Tensor fasciae antebrachii- O

Answer 5

Fascia covering lateral aspect of Lastissimus dorsi

Question 6

Tensor fasciae antebrachii- I

Answer 6

Olecranon (process)

Question 7

Tensor fasciae antebrachii- N

Answer 7

Radial n.

Question 8

Tensor fasciae antebrachii- A

Answer 8

Extend elbow

Question 9

Anconeus- O

Answer 9

Lateral supracondylar crest and the lateral and medial epicondyles of the humerus

Question 10

Anconeus- I

Answer 10

Lateral end of the olecranon (process)

Question 11

Anconeus- N

Answer 11

Radial n.

Question 12

Anconeus- A

Answer 12

Extend elbow

Question 13

Biceps brachi- O

Answer 13

Supraglenoid tubercle of scapula

Question 14

Biceps brachi- I

Answer 14

Ulnar and radial tuberosities

Question 15

Biceps brachi- N

Answer 15

Musculocutaneous n.

Question 16

Biceps brachi- A

Answer 16

Flex elbow; extend shoulder

Question 17

Brachialis- O

Answer 17

Proximal third of lateral surface humerus

Question 18

Brachialis- I

Answer 18

Ulnar and radial tuberosities

Question 19

Brachialis- N

Answer 19

Musculocutaneous n.

Question 20

Brachialis- A

Answer 20

Flex elbow

Question 21

Which of the muscles primarily acting at the elbow joint is part of the ‘extensor group’?

Answer 21

Triceps brachi, Tensor fasciae antebrachii, Anconeus

Question 22

Which of the muscles primarily acting at the elbow joint is part of the ‘flexor group’?

Answer 22

Biceps brachi, Brachialis