Clark S, Christiansen A, Hellman DF, Hugunin JW, Hurst KM. Effects of ipsilateral anterior thigh soft tissue stretching on passive unilateral straight-leg raise.
J Orthop Sports Phys Ther 1999;
29:4-9; discussion 10-2. [PMID:
10100116 DOI:
10.2519/jospt.1999.29.1.4]
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Abstract
STUDY DESIGN
Randomized 3-group pretest-posttest with blind assessment of outcome.
OBJECTIVES
The purpose of this study was to examine the effect of sagittal plane hold-relax exercise applied to the ipsilateral anterior thigh, and prone positioning on passive unilateral straight-leg raise measurements.
BACKGROUND
Straight-leg raising has been viewed as a measurement for hamstring muscle length, but literature suggests that other structures may affect this measurement.
METHODS AND MEASURES
Sixty subjects (45 men, 15 women) qualified for inclusion into the study based on a straight-leg raise measurement of < or = 65 degrees. Subjects were randomly assigned to one of three groups: control, static stretch, or sagittal plane hold-relax exercise. Pretest and posttest straight-leg raise measurements of the right lower extremity were performed for each subject.
RESULTS
A 1-way ANOVA of the change scores showed a significant difference between groups. A Tukey post hoc analysis of the change scores showed that both treatment groups' means differed significantly from the control group and from each other, with the sagittal plane hold-relax group exhibiting the largest change (mean of 7.8 degrees +/- 2.8 degrees).
CONCLUSIONS
The results of this study show that sagittal plane hold-relax exercise and passive prone results of this study show that sagittal plane hold-relax and passive prone positioning can significantly increase straight-leg raise range of motion, however the sagittal plane hold-relax stretching of the anterior thigh is more effective than passive prone positioning.
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