PNF and Movement

Korea Proprioceptive Neuromuscular Facilitation Association (대한고유수용성신경근촉진법학회)
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Effect of Sling-Applied Plank Exercise on the Muscular Frequency, Stiffness, Decrement of the Rectus Abdominis and Longissimus of the Trunk according to the Stability of the Base of Support

지지면의 안정성에 따른 슬링적용 플랭크 운동이 몸통 배곧은근과 가장긴근의 근긴장도, 근경직도, 근탄성도에 미치는 영향

  • Jung-Gyu Yoon (Department of Physical Therapy, Namseoul University)
  • 윤정규 (남서울대학교 물리치료학과)
  • Received : 2024.05.13
  • Accepted : 2024.06.02
  • Published : 2024.08.31
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Abstract

Purpose: This study aimed to identify the effect of sling-applied plank exercise on the frequency, stiffness, and decrement of the rectus abdominis and longissimus muscles of the trunk according to the stability of the base of support. Methods: Thirty-three young adults volunteered to participate and were randomly assigned to one of three groups (SS, stable support; LES, lower extremity support; and ULES, upper and lower extremity support) according to the stability of the base of support. The muscular properties of the rectus abdominis and longissimus muscles during sling-assisted plank exercise according to the stability of the base of support. were measured by using Myoton PRO (Myoton AS, Tallinn, Estonia). Statistical analysis was performed MANOVA to determine the effect of sling-assisted plank exercise on the muscular properties of the rectus abdominis and longissimus muscles according to the stability of the base of support. Post hoc analysis was conducted using Bonferroni. The level of statistical significance was set at α = 0.05. Results: When comparing the muscular properties, the muscle frequency and stiffness of the left rectus abdominis of ULES were significantly decreased compared to that of SS (p < 0.05). In the measurement time, the muscle frequency and the muscle stiffness of the right rectus abdominis increased significantly after the intervention (p < 0.05). Conclusion: It was concluded that the more unstable the base of support (ULES), the higher the exercise strength, and the muscle frequency and stiffness decreased on the rectus abdominis at rest.

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Acknowledgement

이 논문은 2024년도 남서울대학교 학술연구비 지원에 의해 연구되었음.

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