superficial muscles tendons nerves and vessels of the posterior forearm and dorsum of hand n.
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Superficial Muscles, Tendons, Nerves, and Vessels of the Posterior Forearm and Dorsum of Hand. Margene Fallon. Superficial Muscle Group. 3 Lateral Muscles Brachioradialis (Flexes elbow) Extensor carpi radialis longus (extends wrist; aids in radial flexion of wrist)

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superficial muscles tendons nerves and vessels of the posterior forearm and dorsum of hand

Superficial Muscles, Tendons, Nerves, and Vessels of the Posterior Forearm and Dorsum of Hand

Margene Fallon

superficial muscle group
Superficial Muscle Group

3 Lateral Muscles

  • Brachioradialis (Flexes elbow)
  • Extensor carpi radialis longus (extends wrist; aids in radial flexion of wrist)
  • O: lateral supracondylar ridge of humerus
  • I: metacarpal II
  • N: Radial nerve
  • Extensor carpi radialis brevis (extends wrist; aids in radial flexion of wrist)
  • O: Lateral epicondyle of humerus
  • I: metacarpal III
  • N: Posterior interosseous nerve
superficial muscle group1
Superficial Muscle Group

4 Posterior Muscles

Originate at Lateral epicondyle of humerus

  • Anconeus(Extends elbow)
  • I: Olecranon & posterior surface of ulna
  • N: radial nerve
  • Extensor digitorum
  • I: Dorsal surfaces of phalanges 2-5
  • N: posterior interosseous nerve
  • Extensor digiti minimi
  • I: proximal phalanx 5
  • N: Posterior interosseous nerve
  • Extensor carpi ulnaris
  • I: base of metacarpal 5
  • N: posterior interosseous nerve
watch out
Watch Out

Posterior antebrachial cutaneous nerve

  • Do not sever:
  • Posterior antebrachial cutaneous nerve
  • Extensor retinaculum