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Effects of Neck Muscle Tone on Static and Dynamic Balance in Healthy Participants

  • Journal of the Korean Society of Physical Medicine
  • Abbr : J Korean Soc Phys Med
  • 2025, 20(2), pp.33~46
  • Publisher : The Korean Society of Physical Medicine
  • Research Area : Medicine and Pharmacy > Physical Therapy > Other physical therapy
  • Received : March 27, 2025
  • Accepted : May 13, 2025
  • Published : May 31, 2025

Ming-Yu Tian 1 Myoung-Ho Lee 2 Kim Meung Kwon 3

1대구대
2대구대학교 일반대학원
3대구대학교

Accredited

ABSTRACT

PURPOSE: This study aimed to investigate the effect of neck muscle tone on the dynamic and static balance of the lower limbs in healthy participants. METHODS: In this study, 30 healthy participants and four sets of neck muscle tone tests with different weights (0, 1, 2, and 3 kg) were conducted. In the test, a strap tied to the head was connected with a weight-bearing device to apply a constant impedance to the neck, and the trunk of the subject was fixed during the experiment to ensure that the neck was weight-bearing. At the end of each test, the dynamic and static balance function, sternocleidomastoid muscle tension and upper trapezius muscle tension were measured. The dynamic and static balance, sternocleidomastoid muscle tone, and upper trapezius muscle tone were measured at the end of each test. RESULTS: There was no statistically significant difference observed in the sternocleidomastoid muscle tone (p = .059), but a statistically significant increase was observed in the upper trapezius muscle tone(p = .018*). Simultaneously, both static balance (anterior reach, p < .001***) and dynamic (moving area with eyes open, p < .001***; moving area with eyes closed, p < .001***; average speed with eyes open, p = .013*) balance showed varying degrees of decline. CONCLUSION: This study suggest that the increase in neck muscle tone increases the swing of dynamic balance and static balance in healthy people, and muscle tone was significantly correlated with dynamic balance. In healthy individuals, relieving neck muscle tone is helpful for dynamic and static balance.

Citation status

* References for papers published after 2023 are currently being built.