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A common injury to the extensor carpi ulnaris is tennis elbow. This injury occurs in people who participate in activities requiring repetitive arm, elbow, and wrist, especially when they are tightly gripping an object. Some symptoms of an extensor carpi ulnaris injury include pain when shaking hands or when squeezing/gripping an object.
Extensor digiti minimi tendon: Positioned directly over the distal radioulnar joint. Extensor digiti minimi usually has double tendon [2] in the fifth compartment upon inserting onto the little finger Vaughn-Jackson syndrome: 6 Extensor carpi ulnaris tendon: The tendon runs within the groove of ulnar head Extension and adduction of wrist ...
Specifically, these extensor muscles include the anconeus muscle, the supinator, extensor carpi radialis brevis, extensor digitorum, extensor digiti minimi, and extensor carpi ulnaris. [1] In birds, where the arm is somewhat rotated compared to other tetrapods, it is termed dorsal epicondyle of the humerus.
Tennis elbow, also known as lateral epicondylitis is an enthesopathy (attachment point disease) of the origin of the extensor carpi radialis brevis on the lateral epicondyle. [ 1 ] [ 5 ] It causes pain and tenderness over the bony part of the lateral epicondyle .
In the early stage of development, the extensor precursor divides into 3 layers namely, superficial layer, radial layer and deep layer. [5] [6] The superficial group develops to become the extensor digitorum communis, the extensor carpi ulnaris and the extensor digiti minimi. The radial layer forms the extensor carpi radialis longus, the ...
The extensor carpi radialis longus (ECRL) has the most proximal origin of the extrinsic hand extensors. It originates just distal to the brachioradialis at the lateral supracondylar ridge of the humerus , the lateral intermuscular septum , and by a few fibers at the lateral epicondyle of the humerus. [ 1 ]