The long radial wrist extensor
Extensor carpi radialis longus · musculus extensor carpi radialis longus
A forearm muscle that lifts the wrist and tilts it towards the thumb.
What it does
This muscle runs from just above the outer elbow to the base of the index-finger metacarpal. It lifts the back of the wrist and tilts it towards the thumb, steadying the wrist so the finger flexors can grip strongly.
Nearby
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Sources
Drafted with AI help; awaiting a human fact-check against these sources.
Open in the 3D atlas · Suggest a correction · Not medical advice.
3D models: Z-Anatomy & BodyParts3D (CC BY-SA 4.0 / 2.1 JP). Card text CC BY 4.0.