Extensor carpi radialis longus
Musculus extensor carpi radialis longus · Dlouhý vřetenní natahovač zápěstí
Muscles
Looks like
A forearm muscle from just above the outer elbow to the base of the index finger's hand bone.
What it does
Straightens the wrist and tilts it toward the thumb; helps a strong grip.
Keeping it well
Can be involved in tennis elbow; overuse of gripping and typing strains it.