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The extensor carpi radialis brevis is the most commonly affected muscle in lateral epicondylitis (LE), along with other extensor carpal muscles. [15] Due to its unique origin, the ECRB tendon is prone to abrasion during elbow movements, leading to repetitive microtrauma.
A tendon transfer is a surgical process in which the insertion of a tendon is moved, but the origin remains in the same location. Tendon transfer involves redistribution of muscle power, not recreation. Tendons are transferred at the distal attachment from lesser to more important functions so that the overall function is improved.
Extensor carpi radialis longus tendon. Extensor carpi radialis brevis tendon. Extension of wrist Intersection syndrome: 3 Extensor pollicis longus tendon: Separated from the third compartment by Lister's tubercle. Forms ulnar (little finger side) border of the anatomical snuff box Extension of interphalangeal joint of thumb Drummer's wrist: 4 ...
Technique for transferring the m. extensor carpi radialis longus: the m. extensor carpi radialis longus tendon is divided at its insertion on the second metacarpal. The muscle is separated, and freed entirely from the surrounding tissues. The m. extensor carpi radialis longus tendon is strongly attached to the planned tendon under maximum tension.
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]
Surgical debridement of the affected tendons, usually the extensor carpi radialis brevis (ECRB) in lateral epicondylitis, and decortication of the lateral epicondyle [6] Surgical debridement of the flexor pronator group that attaches to the medial epicondyle could be indicated after failure of conservative treatment of medial epicondylitis. [7]
To restore independent flexion of the index finger could be performed by using the pronator teres or extensor carpi radialis ulnaris tendon muscle units. All of the mentioned transfers are generally quite successful because they combine a proper direction of action, pulley location, and tendon insertion. [21]
The tendon of extensor carpi radialis brevis is usually the most major tendon to which the other tendons merge. [2] Function. The common extensor tendon is the major ...