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KMID : 1195020220180010001
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Archives of Orthopedic and Sports Physical Therapy
2022 Volume.18 No. 1 p.1 ~ p.8
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Effects of Hamstring Flexibility on Pain, Muscle Characteristic, Flexion-Relaxation Phenomenon of Chronic Low Back Pain
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Back Tae-Yoel
Yoon Jung-Gyu
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Abstract
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Purpose: This study aims to examine the pain, muscle characteristic, Flexion-Relaxation Phenomenon to thehamstring flexibility.
Methods: This study has as its subjects 105 Chronic Low Back Pain patients and divides them into the group(HHF n=52) with the normal length of hamstrings according to AKE test and the group (HLF, n=53) tendingto have shortened hamstrings. AKE(active knee extension) Test was conducted to evaluate the degree ofhamstring flexibility. And to examine the pain, muscle characteristic, Flexion-Relaxation Phenomenon it wascompared and analyzed by using the VAS, myotonePRO, SEMGResults: HHF showed more significant difference than HLF in the analysis on the muscle characteristic(p<.05).
Conclusion: According to the analysis, the shortening of hamstrings is the factor that affects the musclecharacteristic but Chronic pain, Flexion-Relaxation Phenomenon not affects.
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KEYWORD
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Hamstring flexibility, Chronic low back pain, Muscle characteristic, Flexion-relaxation phenomenon
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