"A Correlation Between Generalized Joint Hypermobility and KT-1000 Valu" by Leatha Noreen Hawbaker

Date of Award

1995

Document Type

Scholarly Project

Degree Name

Master of Physical Therapy (MPT)

Department

Physical Therapy

First Advisor

Beverly Johnson

Keywords

Joint Instability; Knee Joint

Abstract

The purpose of this study was to determine whether a correlation exists between students identified with generalized joint hypermobility and their values of knee joint mobility as measured by the KT-1000 knee ligament arthrometer.

Sixty healthy female high school sophomores, active in basketball, participated in this study. They were evaluated using: 1) the Beighton hypermobility criteria and 2) the KT-1000 knee ligament arthrometer. The KT- 1000 variables identified were the anterior 20 lb. displacement, compliance index, and the total anterior-posterior displacement.

With an alpha level set at .05, one-tailed, the T-test for independent samples identified no significant difference in the KT -1000 displacement values when the subjects were separated into normal mobility « four) and hypermobility (> four) groups. The related samples T-test identified a significant difference between the right and left KT-1000 displacement measures with significantly positive correlations between the two groups. The Pearson coefficient identified a positive correlation between the total hypermobility score and the KT-1000 values for the right knees. This statistical analysis shows a general trend toward higher KT-1 000 values in those individuals identified with generalized joint hypermobility.

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