Extensor Carpi Radialis Brevis
Extensor Carpi Radalis Brevis is the shorter of the two extensor carpi radialis muscles which are found in the forearm and extend the wrist. The word brevis means short in latin.
Origin
- Lateral epicondyle of the humerus.
Insertion
- Base of the 3rd metacarpal (dorsal side).
Actions
- Extension of the wrist.
- Radial deviation (abduction) of the wrist.
Innervation
- Radial nerve.
Daily uses
- Typing.
Example strengthening exercises
- Wrist extension using a resistance band.
Examples stretches
- Wrist extensor stretch.
Related injuries
- Tennis elbow.
Related muscles
- Extensor carpi radialis longus.
- Extensor carpi ulnaris.
