Superficial group of anterior forearm

innervation: median nerve except flexor carpi ulnaris

  1. Flexor carpi ulnaris
  2. Palmaris longus
  3. Flexor carpi radialis
  4. Pronator teres
Flexor carpi ulnaris
Action Wrist flexion and adduction
Origin Humeral head - medial epicondyle of humerus;
ulnar head - olecranon and posterior border of ulna
Insertion pisiform, hamate, base of 5th metacarpal
Innervation Ulnar nerve
Palmaris longus
Action Wrist flexion
Resists shear forces when gripping
Origin Medial epicondyle of humerus
Insertion Palmar aponeurosis of hand
Innervation Median nerve
Flexor carpi radialis
Action Wrist flexion and abduction
Origin Medial epicondyle of humerus
Insertion Base of 2nd and 3rd metacarpal
Innervation Median nerve
Pronator teres
Action Pronation
Origin Humeral head- medial epicondyle and adjacent supraepicondylar ridge;
ulnar head-medial side of coronoid process
Insertion Lateral surface of radius
Innervation Median nerve (C6, 7)

#anatomy-upper-limb

Anterior forearm curriculum - Intermediate: flexor digitorum superficialis; Deep group of anterior forearm
Upper limb innervation summary