extensor carpi radialis brevis

The extensor carpi radialis brevis and longus are both weak flexors at the elbow joint.

A common site of occurrence is along the extensor carpi radialis brevis as it passes over the dorsum of the wrist joint.

Extensor carpi radialis brevis - Deep branch of the radial nerve (C7,C8)

In human anatomy, extensor carpi radialis brevis is a muscle in the forearm that acts to extend and abduct the wrist.

Passing between brachioradialis and extensor carpi radialis brevis, this tendon continues into the second tendon compartment together with the latter muscle.

Depending upon severity and quantity of multiple tendon injuries that have built up, the extensor carpi radialis brevis may not be fully healed by conservative treatment.

Second dorsal compartment: extensor carpi radialis longus and extensor carpi radialis brevis.

Non-inflammatory, chronic degenerative changes of the origin of the extensor carpi radialis brevis (ECRB) muscle are identified in surgical pathology specimens.

Active tendon transfers are possible if m. extensor carpi radialis longus and m. extensor carpi radialis brevis are present.

MRI screening can confirm excess fluid and swelling in the affected region in the elbow, such as the connecting point between the forearm bone and the extensor carpi radialis brevis.

The following speculative rationale is offered by proponents of an overuse theory of etiology: The extensor carpi radialis brevis has a small origin and does transmit large forces through its tendon during repetitive grasping.

The fixed second and third CMC joints are crossed by the radial wrist muscles (flexor carpi radialis, extensor carpi radialis longus, and extensor carpi radialis brevis).

Dorsiflexion is produced by (in order of importance) extensor digitorum, extensor carpi radialis longus, extensor carpi radialis brevis, extensor indicis, extensor pollicis longus, and extensor digiti minimi.

The extensor muscles in the forearm are extensor carpi ulnaris, extensor digiti minimi, extensor digitorum, extensor indicis, extensor carpi radialis brevis, extensor carpi radialis longus.

Therefore the extensor carpi radialis longus can only be used on patients in IC 3 and higher where active extension is supplied by both the extensor carpi radialis longus and the extensor carpi radialis brevis.

The dorsal aspect of its base presents on its radial side a pyramidal eminence, the styloid process, which extends upward behind the capitate; immediately distal to this is a rough surface for the attachment of the extensor carpi radialis brevis muscle.

The first groove is broad, but shallow, and subdivided into two by a slight ridge; the lateral of these two transmits the tendon of the extensor carpi radialis longus muscle, the medial the tendon of the extensor carpi radialis brevis muscle.

With the elbow fully extended, the patient feels points of tenderness over the affected point on the elbow-which is the origin of the extensor carpi radialis brevis muscle from the lateral epicondyle (extensor carpi radialis brevis origin).