The carpal tunnel syndrome (CTS) is the most common and the most important of all the entrapment neuropathies of the extremities. Spacereducing lesions in the carpal tunnel cause a rise in pressure which provokes symptoms from the pressure-sensitive median nerve. The symptoms are referred to as CTS and consist of the triad pain, sensory disturbance and thenar atrophy (Brain et al. 1947, Kopell & Thompson