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Encyclopedia > Extensor carpi radialis brevis muscle

The extensor carpi radialis brevis is specific human muscle. It is an extensor, and an abductor of the hand at the wrist joint.


It lies medial to longus, and is slightly shorter. It starts lower down on the humerus at the lateral epicondyle, and inserts into the base of the 3rd metacarpal.


Like all the muscles in the posterior forearm, ECR brevis is supplied by a branch of the radial nerve.


  Results from FactBites:
 
Humerus - Wikipedia, the free encyclopedia (2481 words)
The subacromial bursa separates the tendon of the supraspinatus muscle from the deltoid muscle.
The glenohumeral joint is stabilized by the rotator cuff muscles and the tendon of the long head of the biceps brachii muscle.
Its upper part is a prominent ridge, the crest of the greater tubercle; it serves for the insertion of the tendon of the pectoralis major muscle.
Extensor carpi radialis longus muscle (124 words)
Extensor carpi radialis longus is one of the five main muscles that control movement at the wrist.
As the name suggests, this muscle is an extensor at the wrist joint, and travels along the radial side of the arm, so will also abduct the hand at the wrist.
Being an extensor contained in the forearm, it is innervated by the radial nerve.
  More results at FactBites »

 
 

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