Weight-Bearing and Non-Weight-Bearing Knee-Joint Reposition Sense and Functional Performance

in Journal of Sport Rehabilitation

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Joshua M. Drouin
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Peggy A. Houglum
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David H. Perrin
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Bruce M. Gansneder
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Objective:

To determine the relationship between weight-bearing (WB) and non-weight-bearing (NWB) joint reposition sense (JRS) and a functional hop test (FH) and to compare performance on these parameters between athletes and nonathletes.

Design:

Repeated-measures ANOVA and Pearson correlations.

Setting:

Research laboratory.

Participants:

40 men (age = 20.8 ± 1.7 y; ht = 176.9 ± 5.8 cm; wt = 82.6 ± 9.5 kg): 20 lacrosse players and 20 nonathletes.

Main Outcome Measures:

Ability to actively reproduce 30° of knee flexion in the WB and NWB conditions and functional performance on a single-leg crossover-hop test.

Results:

No significant correlations were observed between JRS and FH in athletes and nonathletes. No significant differences were observed between athletes and nonathletes in JRS. All participants were significantly more accurate at WB than at NWB JRS.

Conclusions:

There appears to be no relationship between WB or NWB JRS and functional performance, regardless of one’s physical activity level

Drouin is with the Dept of Public Health, Georgia Southern University, Statesboro, GA 30460-8076. Houglum is with the Dept of Athletic Training, Duquesne University, Pittsburgh, PA 15282. Perrin is with the School of Health and Human Performance, Greensboro, NC 27402-6169. Gansneder is with the Dept of Educational Leadership and Foundations, University of Virginia, Charlottesville, VA 22904.

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