Korean Journal of Applied Biomechanics (한국운동역학회지)

Korean Society of Applied Biomechanics (한국운동역학회)
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Change of Mechanical Energy before and after Training of Half Vinyasa Yoga - Energy Contribution of Body Segments and Correlation between Maximum COG and Segmental Energy -

하프 빈야사 요가 수련 전·후의 역학적 에너지 변화 - 신체분절의 에너지 기여도 및 최고무게중심과 분절 에너지의 상관관계를 중심으로 -

  • Yoo, Sil (Hanyang Women's University) ;
  • Hah, Chong-Ku (Industry University Collaboration, Kangwon National University)
  • 유실 (한양여자대학교 사회체육과) ;
  • 하종규 (강원대학교 삼척캠퍼스 산학협력단)
  • Received : 2013.07.30
  • Accepted : 2013.11.01
  • Published : 2013.12.31
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Abstract

The purpose of this study was to investigate change of mechanical energy before and after training of half vinyasa yoga. Thirteen subjects (height: $163.4{\pm}3.9$ cm, body mass: $54.9{\pm}7.3$ kg, age: $20.0{\pm}0.49$ yrs) participated in this experiment. The motions of half vnyasa yoga were captured with Vicon system and parameters were calculated with Visual-3D. After training of half vinyasa yoga, the mechanical energies of body segments were increased and increments of mechanical energies in the lower segments were greater than the upper segments. The phase increments of mechanical energies increased phase 1, phase 2, and phase 3 in order. After training of half vinyasa yoga, phase contributions of body segments were similar before training of half vinyasa yoga. The contribution of mechanical energy on trunk segment in body was the greatest contribution of upper segments; also that of mechanical energy on thigh segment in body was the greatest contribution of lower segments. Before training, the coefficient of correlation between vertical center of gravity (CoGz) and mechanical energy of phase 3 was a -.559, but after training, the coefficient of correlation between CoGz and mechanical energy of phase 2 was a .587. These findings suggest that the training of half vinyasa yoga may be increasing the mechanical energies of body segments.

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References

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