Elbow; Muscles of

Question 1

Bicips Brachii M.

Answer 1

Function: Flexes elbow and supinates forearm
Origin: short head, coracoid process
long head, supraglenoid tubercle
Insertion: Radial tuberosity
Innervation: musculocutaneous nerve (C5,6)

Question 2

Brachialis M.

Answer 2

Function: flexion of elbow
Origin: Anterior surface of the humerus, distal half
Insertion: coronoid process of ulna
Innervation: musculocutaneous nerve (C5,6)

Question 3

Brachioradialis M.

Answer 3

Function: Flexion of elbow
Origin: Lateral supercondylar ridge of humerus
Insertion: Radial styloid process
Innervation: radial nerve

Question 4

Tricep M.

Answer 4

Function: Extends the elbow, long head extends shoulder
Origin: Long head- infraglenoid tubercle of scapula
Lateral head- posterior humerus
Medial head- posterior humerus
Insertion: Olecranon process of ulna
Innervation: radial nerve

Question 5

Anconeus M.

Answer 5

Function: extension of elbow
Origin: lateral epicondyle of humerus
Insertion: olecranon process
Innervation: nerve to anconeus, from the radial nerve