Anterior Compartment of the forearm- Superficial Muscles

Question 1

Pronator Teres

Answer 1

O: Humeral head, medial epicondyle of humerus
Ulnal head: coronoid process
I: Lateral radius (distal to suspinator insertion)
N: Median n. (C6, C7)
A: Elbow: weak flexor
Forearm: pronation

Question 2

Flexor Carpi Radialis

Answer 2

O: Medial epicondyle of humerus
I: Base of 2nd metacarpal (variance: base of 3rd metacarpal)
N: Median n. (C6, C7)
A: Wrist: flexion and abduction (radial deviation) of hand

Question 3

Palmaris longus

Answer 3

O: Medial epicondyle of humerus
I: Palmar aponeurosis
N: Median n. (C7, C8) 
A: Elbow: weak flexion
   Wrist: flexion thightens palmar aponeurosis

Question 4

Flexor carpi ulnaris

Answer 4

O: Humeral head: medial epicondyle
Ulnar head: olecranon
I: Pisiform; hook of hamate; base of 5th metacarpal
N: Ulnar n. (C7-T1)
A: Wrist: flexion and adduction (ulnar deviation) of hand