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Extensor Carpi Radialis Brevis

Extensor Carpi Radalis Brevis is the shorter of the two extensor carpi radialis muscles. 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

How can I stretch it?

• Wrist extensor stretch
• Wrist extensor stretch II
• Tennis elbow stretch

How can I strengthen it?

• Wrist extension with a dumbbell
• Wrist extension with a resistance band