한국운동역학회지 (Korean Journal of Applied Biomechanics)

  • 제32권1호
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  • Pages.31-36
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  • 2022
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  • 1226-2226(pISSN)
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  • 2093-9752(eISSN)
한국운동역학회 (Korean Society of Applied Biomechanics)
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TRX 스트랩 길이에 따른 체간 근육의 활성도 비교

Comparison of Trunk Muscle Activity according to Different Strap Length of TRX

  • Hong, Yeon Kyung (Department of Physical Education, Graduate School of Korea National Sport University) ;
  • Yoon, Sukhoon (Department of Community Sport, Korea National Sport University)
  • 투고 : 2022.02.24
  • 심사 : 2022.03.03
  • 발행 : 2022.03.31
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초록

Objective: The purpose of this study was to investigate muscle activation according to the four strap lengths in the TRX plank exercise to provide scientific and accurate data on effective training methods. Method: Twenty healthy men who had at least 6 months of weight training experience and could fully adjusted plank exercise, were participate in this study (age: 25.2 ± 3.7 yrs., height: 174.2 ± 3.9 cm., weight: 71.2 ± 9 kg). To pursue the study purpose, surface electrodes were attached to trunk muscles (pectoralis major, rectus abdominis, external oblique, internal oblique, erector spinae, latissimus dorsi) and lower extramity muscles (gluteus maximus, rectus femoris, gastrocnemius), and the muscle activity was measured using 11-channel electromyography equipment. In order to verify the muscle activation according to the four strap lengths during TRX plank exercise, an one-way ANOVA with repeated measure was used with statistical significance level set at as α=.05. Results: First, there were statistically significant differences in pectoralis major, rectus abdominis, external oblique, internal oblique, and erector spinae among TRX strap lengths. Second, there were statistically significant differences in gluteus maximus, rectus femoris, and gastrocnemius among TRX strap lengths. Third, even though no statistically significant difference found in latissimus dorsi, but increased muscle activation tendency was showed as the length of the strap increased. Conclusion: From the results of this study, it may be possible that TRX exercise prevent injuries and improve lower extremity muscle as well as trunk muscles by setting appropriate length of strap.

키워드

과제정보

This study is extracted from YeonKyung Hong's Master Thesis.

참고문헌

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