Korean Journal of Applied Biomechanics (한국운동역학회지)

Korean Society of Applied Biomechanics (한국운동역학회)
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Comparative Analysis of Nordic Walking and Normal Gait Based on Efficiency

노르딕 워킹과 일반 보행의 효율성 비교 분석

  • Kim, Ro-Bin (Department of Liberal Arts and Science, Hansung University) ;
  • Cho, Joon-Haeng (Department of Physical Education, College of Science in Education, Yonsei University)
  • 김로빈 (한성대학교 교양교직학부) ;
  • 조준행 (연세대학교 교육과학대학 체육교육학과)
  • Received : 2010.10.30
  • Accepted : 2010.12.15
  • Published : 2010.12.31
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Abstract

The purpose of this study were to analyze the changes in kinematic and kinetic parameters and to find biomechanical benefits of Nordic Walking and normal gait performed under the same velocity. Nine participants(age: $26.73{\pm}3.28$ year, height: $182.45{\pm}4.62\;cm$, weight: $76.59{\pm}6.84\;kg$) was chosen. The velocity of gait was set by 5.75 km/h which was made by a Nordic Walking professional. The data were collected by using VICON with 8 cameras to analyze kinematic variables with 200 Hz and force platform to analyze kinetic variables with 2000 Hz. The results of this study were as follows. First, when compared with Normal gait, Nordic Walking group showed decreased Plantarflexion angle and ROM. Second, Nordic Walking group showed decreased knee flexion angle and ROM. Third, Nordic Walking group showed increased hip joint movement. Fourth, Nordic Walking group showed higher active GRF but decreased loading rate from delayed Peak Vertical GRF time and increased impulse. Fifth, Nordic Walking group showed longer ground contact time. Through this study, we found that Nordic Walking showed higher stability and efficiency during gait than normal gait and that Nordic Walking may help people who have walking difficulties.

Keywords

References

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