Functional psychomotor deficits associated with carpal tunnel syndrome

A reliable task was developed for investigating functional deficits associated with carpal tunnel syndrome (CTS). A rapid pinch and release psychomotor task utilizing muscles of the hand innervated by the median nerve was administered using a strain gauge dynamometer and providing limited force feed...

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Veröffentlicht in:Ergonomics 1994-06, Vol.37 (6), p.1055-1069
Hauptverfasser: JENG, ONE-JANG, RADWIN, ROBERT G., RODRIQUEZ, ARTHUR A.
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RADWIN, ROBERT G.
RODRIQUEZ, ARTHUR A.
description A reliable task was developed for investigating functional deficits associated with carpal tunnel syndrome (CTS). A rapid pinch and release psychomotor task utilizing muscles of the hand innervated by the median nerve was administered using a strain gauge dynamometer and providing limited force feedback. The motor performance characteristics studied were speed and force control. An experiment was conducted for studying the effects of force level, hand dominance, test-retest reliability, learning, and inter-subject variability using 13 subjects free from any hand disabilities or symptoms. A companion study was also conducted using 17 normal subjects and ten subjects diagnosed having CTS to investigate differences between CTS and control subjects. Dominant hands performed 4% to 8% better than the non-dominant hands by having a greater pinch rate, a smaller overshoot force, and less time above the upper force level and below the lower force level. Control subjects performed 25% to 82% better than CTS subjects. Age contributed 6% of the total variance for pinch rate and 7% of the total variance for the time below the lower force level. The results suggest that people suffering from CTS may experience similar functional psychomotor deficits in daily living and manual work activities.
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subjects Adult
Carpal tunnel syndrome
Carpal Tunnel Syndrome - diagnosis
Carpal Tunnel Syndrome - physiopathology
Ergonomics
Female
Hand - physiology
Humans
Male
Median nerve
Middle Aged
Motor deficits
Physical Exertion - physiology
Pinch strength
Psychomotor Performance - physiology
Psychomotor task
Reference Values
Reproducibility of Results
Sensory deficits
Space life sciences
Task Performance and Analysis
title Functional psychomotor deficits associated with carpal tunnel syndrome
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