A client arrives for evaluation with the inability to extend her wrist,thumb,or MP joints of her right dominant hand.What nerve is involved?

Question

Quizplus · Accepted Answer

This clinical picture is called the drop wrist and indicates radial nerve involvement.The radial nerve innervates the extensor-supinator group of muscles of the forearm,including the brachioradialis,extensor carpi radialis longus,extensor carpi radialis brevis,extensor digitorum communis,extensor digit minimi,extensor indicis,extensor carpi ulnaris,supinator,abductor pollicis longus,extensor pollicis brevis,and extensor pollicis longus.

A Client Arrives for Evaluation with the Inability to Extend