PNF and Movement

Korea Proprioceptive Neuromuscular Facilitation Association (대한고유수용성신경근촉진법학회)
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Effects of PNF Stretching on Balance During Single-Leg Standing in Older Adults

PNF 스트레칭이 노인의 한발서기 균형에 미치는 영향

  • Park, Jung-Seo (Department of Physical Therapy, Daejeon Institute of science and Technology)
  • 박정서 (대전과학기술대학교 물리치료과)
  • Received : 2022.08.26
  • Accepted : 2022.11.03
  • Published : 2022.12.31
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Abstract

Purpose: This study aims to determine the correlation between the effects of contract-relax-antagonist-contract (CRAC) and contract-relax (CR) forms of proprioceptive neuromuscular facilitation (PNF) stretching on balance during single-leg standing in elderly people. Methods: The participants were 20 elderly people in healthy condition and divided equally into two groups: the CRAC stretching group and the CR stretching group. Subjects were made to walk on a treadmill for 6 minutes before the stretching as a warm-up. CR and CRAC stretching were performed on the soleus. The dependent variables used to assess single-leg standing balance were overall stability(OSI), anterior/posterior(A/P) movement, and medial/lateral(M/L) movement. The statistical methods used to assess the differences between groups were verified using the Mann-Whitney U test and the Wilcoxon signed-rank test. Results: The CRAC group had significantly increased OSI, A/P and M/L after the PNF stretching intervention (p < 0.05). The CR group had significantly increased OSI and A/P after the PNF stretching intervention (p < 0.05), but M/L did not significantly increase (p > 0.05). There was no significant difference in stretching between CRAC and CR (p > 0.05). Conclusion: The results of this study revealed that CR and CRAC PNF stretching improved single-leg standing balance. CARC stretching before exercise is helpful for elderly people, as it improves balance.

Keywords

Acknowledgement

이 논문은 2020년도 대전과학기술대학교 교내연구비에 의하여 연구되었음

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