Validation of a method to measure the proprioception of the knee

Abstract Introduction Proprioception is an important mechanism in knee stability and function. After an injury like an anterior cruciate ligament (ACL) rupture changes appear in knee proprioception which play a major role in rehabilitation. There are several methods to measure proprioception; the th...

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Bibliographic Details
Published in:	Gait & posture Vol. 28; no. 4; pp. 610 - 614
Main Authors:	Boerboom, A.L, Huizinga, M.R, Kaan, W.A, Stewart, R.E, Hof, A.L, Bulstra, S.K, Diercks, R.L
Format:	Journal Article
Language:	English
Published:	England Elsevier B.V 01-11-2008
Subjects:	Adult Anterior cruciate ligament Female Humans Kinesthesis - physiology Knee Knee - physiology Knee Joint - physiology Male Orthopedics Proprioception Reproducibility of Results Rotation Threshold to detect passive motion Young Adult Knee Threshold to detect passive motion Proprioception Anterior cruciate ligament
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Summary:	Abstract Introduction Proprioception is an important mechanism in knee stability and function. After an injury like an anterior cruciate ligament (ACL) rupture changes appear in knee proprioception which play a major role in rehabilitation. There are several methods to measure proprioception; the threshold to detect passive motion (TTDPM) is often used to quantify proprioception. In this study the reliability and validity were tested of an apparatus, which measures the TTDPM based on the Lund technique of Fridén and Roberts (Sweden). Materials and methods Sixteen healthy participants were tested on both legs, from start position 20° and 40°, towards extension (TE) and flexion (TF). The same measurement was repeated 12 (6–21) days later. Results An overall mean TTDPM of 0.58° (95% confidence interval CI = 0.53–0.62°) was found. Thresholds were different depending on direction of motion and start position. TTDPM in 20° TE (0.51°, CI = 0.48–0.56°) and in 40° TF (0.54°, CI = 0.50–0.58°) were significantly lower than TTDPM in 40° TE (0.68°, CI = 0.63–0.74°) and in 20° TF (0.58°, CI = 0.54–0.63°). Thresholds were rising with age. Women had higher thresholds than men. Conclusion The method is a reliable and valid way to measure proprioception. The next step is to use this method on patients with an ACL-rupture and compare these results with healthy subjects.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23 ObjectType-Article-1 ObjectType-Feature-2
ISSN:	0966-6362 1879-2219
DOI:	10.1016/j.gaitpost.2008.04.007