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Title: Reliability of torque measurements during passive isokinetic knee movements in healthy subjects
Authors: Nuyens, Godelieve ×
De Weerdt, Willy
Spaepen, Arthur
Janssens, Luc
Ketelaer, P
Bogaerts, Kris #
Issue Date: Jun-2000
Series Title: Scandinavian journal of rehabilitation medicine vol:32 issue:2 pages:61-5
Abstract: In the literature, few data are available about the reliability of torque measured during passive isokinetic knee movements. This study investigated the consistency of torque measurements during passive knee movements at 60, 180 and 300 degrees/second in 30 healthy subjects. Intraclass correlation values ranged between 0.78 and 0.92 when the results of two consecutive tests were compared. When retests were performed after repositioning the subjects, intraclass correlation values ranged between 0.43 and 0.87. These findings indicate the necessity for meticulous standardization of the test situation. Series of 10 consecutive movements, specifically repetitions of knee flexion at 180 and 300 degrees/second, indicated that torque measurements during the first two movements were less stable than those following. A concurrent change in electromyographic activity in the rectus femoris muscle suggested that these torque variations resulted from habituation of the stretch reflex.
ISSN: 0036-5505
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Leuven Biostatistics and Statistical Bioinformatics Centre (L-BioStat)
Movement Control & Neuroplasticity Research Group
Research Group for Neuromotor Rehabilitation
Electrical Engineering (ESAT) TC, Campus Group T Leuven
Technologiecluster ESAT Elektrotechnische Engineering
× corresponding author
# (joint) last author

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