The Journal of Korean Physical Therapy

  • 제36권4호
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  • Pages.145-152
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  • 2024
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  • 1229-0475(pISSN)
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  • 2287-156X(eISSN)
대한물리치료학회 (The Korean Society of Physical Therapy)
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The Effect of Stretching on Lumbar Muscle Flexibility, Isokinetic Parameters and Lower Extremity Function

  • Ye-Won Lee (Department of Physical Therapy, College of Health Sciences, Sun Moon University) ;
  • Jun-Ho Yoo (Department of Physical Therapy, College of Health Sciences, Sun Moon University) ;
  • Dong Yeop Lee (Department of Physical Therapy, College of Health Sciences, Sun Moon University) ;
  • Jae Ho Yu (Department of Physical Therapy, College of Health Sciences, Sun Moon University) ;
  • Jin Seop Kim (Department of Physical Therapy, College of Health Sciences, Sun Moon University) ;
  • Seung Gil Kim (Department of Physical Therapy, College of Health Sciences, Sun Moon University) ;
  • Yeon-Gyo Nam (Department of Physical Therapy, College of Health Sciences, Sun Moon University) ;
  • Jihoe Hong (Department of Physical Therapy, College of Health Sciences, Sun Moon University)
  • 투고 : 2024.07.19
  • 심사 : 2024.08.19
  • 발행 : 2024.08.31
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초록

Purpose: This study aimed to investigate the correlation of the flexibility of lumbar muscle fibers with the speed of the broad four-pronged muscle in healthy adult men and women. Methods: This study selected 36 healthy male and female college students. The subjects were randomly assigned to two groups (Group A; performing three stretches, and Group B; not engaging in any stretching) and measured for flexibility, functional evaluation, and biomechanical parameters (CSMI) as pre-experimental evaluation items. Flexibility was evaluated using 2 types of sit and reach tests and Schober's test, while functional evaluation was assessed through the 3-hop test and the Sargent test. The knee extension angular velocities of the biomechanical parameters were measured at 60°, 120°, 180°, and 240° to determine peak torque, work per repetition, and peak power. Results: Group A exhibited statistically significant improvements in both the before and after comparison of the sit and reach test and the difference in the quantum of change. There was a statistically significant improvement in the before and after comparison of the 3-hop jump test and the difference in the quantum of change. As for the isokinetic parameters, the peak torque of 60°, 120°, 180°, and 240° were only all significant in the experimental group. Conclusion: This study focused on assessing the role of the lower extremities with respect to lumbar flexibility. The results suggest that lumbar flexibility has a statistically significant and positive effect on lower extremity flexibility and its function.

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참고문헌

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