An anatomic study of the innervation of the wrist joint and Wilhelm's technique for denervation.

Innervation of the wrist joint has been clarified in this study by loupe dissection and histologic examination. The posterior interosseous nerve, the lateral antebrachial cutaneous nerve, the superficial branch of the radial nerve, and the dorsal branch and the perforating branches of the ulnar nerve innervate the wrist joint from the dorsal side. The anterior interosseous nerve, the palmar cutaneous branch of the median nerve, and the deep branch and the main trunk of the ulnar nerve innervate it from the palmar side. The findings indicate that surgical denervation of most of the articular nerves of the wrist joint is possible with the use of Wilhelm's procedure, but denervation of the palmar side of the intercarpal and carpometacarpal joints, which are innervated by the deep branch of the ulnar nerve, is not included in Wilhelm's technique.