Preliminary evaluation of a sensory and psychomotor functional test battery for carpal tunnel syndrome: Part 1--Confirmed cases and normal subjects

American Industrial Hygiene Association Journal
O J JengD G Fryback

Abstract

Two new computer-controlled functional tests were developed, known as the Wisconsin test battery, for carpal tunnel syndrome (CTS). The gap detection sensory test quantifies tactile thresholds for areas of the hand innervated by the median nerve. The rapid pinch and release psychomotor test measures the initiation and control of specific muscles innervated by the median nerve motor branch. Ten confirmed CTS patients (based on electrophysiological parameters and examination; 18 CTS hands) and eight confirmed normal subjects (16 hands) with a similar average age were administered both tests. The CTS patients showed significant functional deficits for both tactility and psychomotor tests. Average CTS performance was 24 to 104% poorer than for the normal subjects, depending on the performance measure. The results indicated high correlations (r = 0.5 to 0.8) between median nerve electrophysiological parameters and tactility or psychomotor performance variables. No single functional test variable had sufficient sensitivity for detecting CTS among the subject pool. The combination of the two tests using 95% confidence level cutoff points achieved a sensitivity of 0.78 and a specificity of 0.81. Stepwise discriminant analysis resulted ...Continue Reading

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Citations

Nov 24, 2004·The Journal of Orthopaedic and Sports Physical Therapy·Joy C MacDermid, Tim Doherty
Apr 18, 2014·Brain : a Journal of Neurology·Yumi MaedaVitaly Napadow
Jul 23, 2003·American Journal of Industrial Medicine·Mary E SestoFrank J Salvi
Dec 14, 2004·The Journal of Bone and Joint Surgery. American Volume·Robert G RadwinStefan V Zachary
May 27, 2004·Journal of Hand Therapy : Official Journal of the American Society of Hand Therapists·Joy C MacDermid, Jean Wessel

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