[Evaluation of conductivity in motor nerve fibers of the ulnar nerve in syringomyelia and neuropathy using 6 stimulation indicators].

The ulnar nerve's motoric fibre conduction velocity was stated to be insignificantly disordered in 32 patients with syringomyelia, whereas 47 neuropathic patients with unknown etiology showed the disorder mentioned above as occurring by far more frequently and in a more extent. From 6 stimulative indices, those of distal extremities velocity had maximum of deviations. Nevertheless, the indices of longer sections revealed the most numerous pathologic findings, especially in determining forearm velocity. The obtained findings are compared with 233 control subjects.