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J Phys Ther Sci. 2021 Aug;33(8):576-579. doi: 10.1589/jpts.33.576. Epub 2021 Aug 02.

Relationship between single-leg stance test with light touch and hip muscle strength in healthy young adults.

Journal of physical therapy science

Shinichiro Oka, Junya Yamaguchi, Ryota Okoba, Takashi Ariie

Affiliations

  1. Department of Physical Therapy, School of Health Sciences, International University of Health and Welfare at Fukuoka: 137-1 Enokizu, Okawa-shi, Fukuoka 831-8501, Japan.
  2. Department of Rehabilitation, Kokura Rehabilitation Hospital, Japan.

PMID: 34393366 PMCID: PMC8332639 DOI: 10.1589/jpts.33.576

Abstract

[Purpose] This study investigated the relationship between the single-leg stance test with light touch and hip rotator muscle strength. [Participants and Methods] Thirty-one healthy young adults participated in the study. A single leg stance test with light touch was performed to evaluate the participants' static balance ability. The duration that an individual could successfully perform the single leg stance test with light touch in the eyes open was measured. The participants were instructed to slightly touch their right index fingertip on the digital scale. The hip muscle strength of the internal rotators and external rotators were measured by the isometric peak torque. The internal/external rotator strength ratio was calculated by dividing the strength of the internal rotator by that of the external rotator. [Results] The hip external rotator muscle strength was higher in males than in females. Moreover, there was a significant correlation between the single-leg stance test with light touch and hip external rotator muscle strength in males and between the single leg stance test with light touch and hip internal rotator muscle strength in females. Furthermore, a significant positive correlation was found between the single leg stance test with light touch and hip internal rotator/external rotator ratio in males. [Conclusion] We concluded that the single leg stance test with light touch is a useful tool to evaluate static hip muscle strength.

2021©by the Society of Physical Therapy Science. Published by IPEC Inc.

Keywords: Hip rotator cuff; Hip stability; LT-SLST

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