Journal of occupational rehabilitation · 2007
Are deficiencies in manual tracking associated with upper extremity cumulative trauma disorders?
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Brouwer Brenda, Faris Matthew
Аннотация
OBJECTIVES: To examine the reliability of manual tracking performance and its association with impairment and disability in individuals symptomatic of an upper extremity cumulative trauma disorder (CTD).
METHODS: Volunteer and physician referred subjects (100 control, 140 CTD) tracked a target cursor moving quasi-randomly using a hand-held stylus interfaced with a digitizing tablet. Impairment was physician-rated and the Disability of the Arm, Shoulder and Hand questionnaire measured disability. Subsamples of 25 subjects per group were tested on three occasions.
RESULTS: Reliability of tracking performance was excellent (ICC > or = 0.88) and sensitivity was 81%. Performance was superior in controls (p < 0.001) and deteriorated as a function of impairment level (p < 0.001). Tracking and impairment rating explained 65% of the disability score.
CONCLUSIONS: Tracking performance may be an important outcome for monitoring change over time and the impact of a CTD on function in everyday activities.
METHODS: Volunteer and physician referred subjects (100 control, 140 CTD) tracked a target cursor moving quasi-randomly using a hand-held stylus interfaced with a digitizing tablet. Impairment was physician-rated and the Disability of the Arm, Shoulder and Hand questionnaire measured disability. Subsamples of 25 subjects per group were tested on three occasions.
RESULTS: Reliability of tracking performance was excellent (ICC > or = 0.88) and sensitivity was 81%. Performance was superior in controls (p < 0.001) and deteriorated as a function of impairment level (p < 0.001). Tracking and impairment rating explained 65% of the disability score.
CONCLUSIONS: Tracking performance may be an important outcome for monitoring change over time and the impact of a CTD on function in everyday activities.