Comparison of Weight-Bearing and Non-Weight-Bearing Conditions on Knee Joint Reposition Sense

in Journal of Sport Rehabilitation
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In this study, joint reposition sense of the knee in a non-weight-bearing (NWB) state and that in a weight-bearing (WB) state were compared, and it was determined whether a significant relationship existed between knee displacement (KD) and joint reposition sense. The dominant knees of 8 male and 12 female subjects (age 19–26 years, M ± SD = 21.5 ± 2.06) who had no previous history of knee dysfunction were tested for accuracy of angular reproduction in the WB and NWB states. There was a significant difference in the accuracy of angular repositioning between the two conditions, with the WB test having less deviation from the predetermined angle. There was a weak relationship between KD and the ability to reproduce specific angles of the knee. These results suggest that the WB or closed chain state of the knee was more accurate in the determination of joint position sense than the NWB or open chain condition.

Michael J. Higgins is with the Department of Health and Exercise Science, University of Delaware, Newark, DE 19716. David H. Perrin is with the Graduate Athletic Training Program, Curry School of Education, University of Virginia, Charlottesville, VA 22903.

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