Reliability assessment of isometric knee extension measurements with a computer-assisted hand-held dynamometer

Archives of Physical Medicine and Rehabilitation
M RoebroeckG J Lankhorst

Abstract

To assess clinically relevant indexes of measurement error of hand-held dynamometer measurements using a computer-assisted hand-held dynamometer (CAHN-DY). In separate sessions, different physical therapists performed repeated measurements of maximal isometric knee extension. Four physical therapy practices and outpatient departments. Consecutive samples of 30 male and 28 female patients aged 13 to 77 years, with isolated orthopedic knee disorders participated in this study. For intrarater and interrater applications, the standard error of measurement (SEM) and related 95% confidence intervals and minimal detectable changes were assessed. Sixty percent of the patients performed within the therapist's upper force limit. Variance between sessions performed by the same or different therapists accounted for a large percentage of the measurement error (70% to 81%). For single measurements, the standard error of measurement was assessed not to exceed 10N x m. Minimal detectable changes for different designs varied from 13.8 to 28.2N x m. The CAHN-DY facilitated standardization of test performance in a satisfactory manner, resulting in less measurement error compared with simple hand-held dynamometry.

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Citations

Jun 7, 2002·Ultrasound in Medicine & Biology·Léonie DamenHendrik J Stam
Dec 7, 2000·The Journal of Hand Surgery : Journal of the British Society for Surgery of the Hand·T A SchreudersH J Stam
Nov 30, 2011·Journal of Geriatric Physical Therapy·Mooyeon Oh-ParkJoe Verghese
Jun 14, 2003·Medical & Biological Engineering & Computing·G J VerkerkeG Rakhorst
Sep 19, 2009·The Journal of Hand Surgery·Marjolein de KrakerHenk J Stam
Jun 10, 2014·Archives of Physical Medicine and Rehabilitation·Patrick P M SchramaEmiel van Trijffel
Dec 24, 2011·Physiotherapy Theory and Practice·Richard W BohannonPeter Cram
Jan 22, 2009·Archives of Physical Medicine and Rehabilitation·Ruud H KnolsNeil K Aaronson
Jun 28, 2011·Archives of Physical Medicine and Rehabilitation·Dany GagnonMarie-France Charbonneau
Oct 27, 2015·BMC Ear, Nose, and Throat Disorders·Annatina SchmidheinyRuud H Knols
Jul 8, 2010·Journal of Manipulative and Physiological Therapeutics·Terry K K KooYongping Zheng
Mar 21, 2007·Neurorehabilitation and Neural Repair·Daniel K WhiteTerry D Ellis
Feb 3, 2004·Muscle & Nerve·Alex Van't HulGert Kwakkel
Feb 13, 2003·Arthritis and Rheumatism·Marlene FransenJohn Edmonds
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Jan 17, 2015·Journal of Geriatric Physical Therapy·Søren Thorgaard SkouSten Rasmussen
Oct 7, 2020·Journal of Plastic Surgery and Hand Surgery·Matthias HolzbauerStefan M Froschauer
Apr 19, 2020·Journal of Geriatric Physical Therapy·Pætur Mikal HolmSøren Thorgaard Skou
Feb 25, 2009·Archives of Physical Medicine and Rehabilitation·Henri L HurkmansEric Benda

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