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Article

Open Access

The effect of core stability exercise on the reaction time of deep trunk muscles

Author(s)

Yusuke Wada¹, Koji Kaneoka², Masahiro Takemura³, Yuki Yamamoto⁴, Ryo Ogaki⁵ and Shumpei Miyakawa³

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DOI:10.17265/2332-7839/2018.05.004

Affiliation(s)

1. Graduate School of Comprehensive Human Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
2. Faculty of Sports Sciences, Waseda University, 2-579-15 Mikajima, Tokorozawa, Saitama 359-1164, Japan
3. Faculty of Health and Sports Science, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
4. Institute of Health and Sports Science, Kurume University, 67 Asahimachi, Kurume, Fukuoka 830-0011, Japan
5. Faculty of Modern Life, Teikyo Heisei University, 4-21-2 Nakano, Nakano-ku, Tokyo 164-8530, Japan

ABSTRACT

This study aimed to clarify the immediate effect that trunk muscle exercise has on muscle reaction time, and to clarify the effect of 2-week exercise on muscle reaction time. The study showed that as for immediate effects, the muscle reaction time was significantly shortened in the TrA/OI (transversus abdominis muscle/obliquus internus muscle) of two exercise groups. However, the immediate effect seen before the 2-week trunk muscle exercise intervention disappeared after the intervention. In addition, trunk muscle exercise intervention for 2 weeks significantly shortened the muscle reaction time of TrA/OI in one exercise group. Furthermore, shortening of the muscle reaction time was also observed in the MF (multifidus muscle) of both exercise groups. The factors affecting the muscle reaction time of TrA observed in this study were considered to be an improvement of neuromuscular function by the central nervous system. It was also considered that 2-week exercise intervention has a lower value after 2 weeks due to an improvement of neuromuscular function by the central nervous system, and an immediate effect could not be obtained with the same exercise as at the time of intervention.

KEYWORDS

Local muscles, exercise intervention, surface EMG, core stability exercise, feedforward.

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References

The effect of core stability exercise on the reaction time of deep trunk muscles

Yusuke Wada1, Koji Kaneoka2, Masahiro Takemura3, Yuki Yamamoto4, Ryo Ogaki5 and Shumpei Miyakawa3

Yusuke Wada¹, Koji Kaneoka², Masahiro Takemura³, Yuki Yamamoto⁴, Ryo Ogaki⁵ and Shumpei Miyakawa³