Anatomy Forearm b6113c88 Extensor carpi radialis longus is a/an - A Wrist extensor B Wrist adductor C Extensor of MCP joint D Extensor of IP joint High-Yield Explanation Ans. is 'a' i.e., Wrist extensoro Extensor carpi radialis longus causes :-i) Extension of wristii) Abduction of wristo It is supplied by radial nerve.