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Extensor Carpi Radialis Brevis

From WikiSM

Description

Extension of the hand. (a) Extensor carpi radialis longus, (b) Extensor carpi radialis brevis, (c) Extensor carpi ulnaris, (d) Extensor digitorum comunis.[1]
Graphic summary of splitting variations of m. extensor carpi radialis brevis known in mammals (mainly based on data from human anatomy). Blue -the typical muscle, light blue -its variations.[2]

Alternative Names

  • ECRB
  • Extensor Carpi Radialis Brevis Muscle
  • Musculus Extensor Carpi Radialis Brevis

Origin

Insertion

Actions

  • Wrist extension
  • Wrist radial deviation (abduction)
  • Dynamic stabilization of the wrist during gripping activities
  • Assists in maintaining wrist position during finger flexion

Vascular Supply

  • Radial Artery
  • Radial recurrent artery
  • Posterior interosseous artery

Nerve

Clinical Significance

See Also

References

  1. ↑ Bermeo Varon, Leonardo A., et al. "Acquisition protocol and comparison of myoelectric signals of the muscles innervated by the ulnar, radial and medial nerves for a hand orthoses." International Conference on Applied Technologies. Cham: Springer International Publishing, 2019.
  2. ↑ Novikova, Mellin, and Alexander Kuznetsov. "An unusual elbow muscle in the red howler monkey: does it deserve invention of a new namemusculus contrahens cubiti?." Biological Communications 1 (2017): 38-47.
Created by:
Tyler Schmitz on 20 July 2019 21:40:30
Authors:
Last edited:
17 June 2026 18:49:39
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