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KMID : 1812820190030010026
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Journal of Korean Dental Hygiene Science
2019 Volume.3 No. 1 p.26 ~ p.30
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Reliability of Hamstring Flexibility Test with Hip Inferior Glide Mobilization in Patients with Low Back Pain
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Kim Jun-Seok
Hwang Ui-Jae
Kwon Oh-Yun
Park Kyue-Nam
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Abstract
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Background: Hamstring tightness is a major cause of low back pain (LBP). The active knee extension (AKE) test is frequently used to measure hamstring tightness in supine-positioned subjects. In patients with musculoskeletal pain, it is important to maintain the axis of rotation for accurate range of motion assessment.
Purpose: The purpose of this study was to investigate the intrarater test-retest reliability of an AKE test with belt-guided inferior gliding of the hip, which was designed to minimize excessive anterior-superior gliding of the hip in LBP patients with hamstring tightness. We also compared the range of AKE with versus without inferior gliding of the hip in this study population.
Study design: Reliability study.
Methods: Thirty-eight patients with LBP and hamstring tightness were recruited to this study. Hamstring tightness was measured in a supine AKE test, with and without inferior gliding of the hip, using the Smart KEMA device. Test?retest reliability was assessed by the intraclass correlation coefficient (ICC). Significant differences in the range of AKE between the groups were detected using a paired sample t-test.
Results: The hamstring flexibility tests with and without inferior gliding of the hip exhibited good to excellent test-retest reliability (ICC=0.89 for both). The range of AKE with inferior gliding of the hip was significantly less than that of AKE without inferior gliding of the hip.
Conclusions: Assessment of hamstring flexibility via an AKE test with inferior gliding of the hip is reliable when applied to patients with LBP; the range of AKE was lower in this test compared to those that do not incorporate inferior gliding of the hip.
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KEYWORD
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Active knee extension, Hamstring tightness, Inferior gliding, Lower back pain, Range of motion
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