Anterior arm muscles

Question 1

Biceps brachii origin

Answer 1

Short head: coracoid process of scapula

Long head: Supraglenoid tubercle

Question 2

Biceps brachii insertion

Answer 2

Radial tuberosity and fascia of forearm via bicipital aponeurosis

Question 3

Biceps brachii nerve

Answer 3

musculocutaneous

Question 4

Biceps brachii B.S.

Answer 4

Brachial artery

Question 5

Biceps brachii action

Answer 5

Flexion of forearm (when supinated), supination of the forearm

Question 6

Brachialis origin

Answer 6

Distal half of anterior surface of humerus

Question 7

Brachialis insertion

Answer 7

Coronoid process and ulnar tuberosity

Question 8

Brachialis nerve

Answer 8

Musculocutaneous

Question 9

Brachialis b.s.

Answer 9

Radial recurrent artery

Question 10

Brachialis action

Answer 10

Flexion of forearm

Question 11

Coracobrachialis origin

Answer 11

Coracoid process

Question 12

Coracobrachialis insertion

Answer 12

Anteromedial surface of middle of humerus

Question 13

Coracobrachialis nerve

Answer 13

Musculocutaneous

Question 14

Coracobrachialis action

Answer 14

Flexion and adduction at g-h joint

Question 15

Triceps brachii origin

Answer 15

Long head: infraglenoid tubercle
Lateral head: Posterior surface of humerus, superiolateral to radial groove
Medial: Posterior surface of the humerus, inferiolateral to radial groove

Question 16

Triceps brachii insertion

Answer 16

Proximal end of olecranon

Question 17

Triceps brachii nerve

Answer 17

Radial

Question 18

Triceps brachii action

Answer 18

Extension of forearm at elbow

Long - extension and adduction of arm at g-h joint

Question 19

Anconeus origin

Answer 19

lateral epicondyle

Question 20

Anconeus insertion

Answer 20

Lateral side of olecranon and adjacent ulna

Question 21

Anconeus nerve

Answer 21

Radial

Question 22

Anconeus action

Answer 22

Extension of forearm at forearm at elbow, stabilizes joint against flexion and supination/pronation