Journal article Open Access

Analysis of the Loaded Gait Subjected to the Trunk Flexion Change

Ji-il Park; Donghan Koo; Hyungtae Seo; Jihyuk Park; Heewon Park; Sukyung Park; Kyung-Soo Kim; and Soohyun Kim

In the paper, the energetic features of the loaded gait are newly analyzed depending on the trunk flexion change. To investigate the loaded gait, walking experiments are performed for five subjects and, the ground reaction forces and kinematic data are measured. Based on these information, we compute the impulse, momentum and mechanical works done on the center of body mass, through the trunk flexion change. As a result, it is shown that the trunk flexion change does not affect the impulses and momentums during the step-to-step transition as well. However, the direction of the pre-collision momentum does change depending on the trunk flexion change, which is degenerated just after (or during) the collision period.

Files (495.3 kB)
Name Size
11955.pdf
md5:008315bc8f4e13fbe992f60e1a3e31e1
495.3 kB Download
  • A. D. Kuo, "Energetics of actively powered locomotion using the simplest walking model," Journal of Biomechanical Engineering, vol. 124, pp. 113, 2002.
  • A. D. Kuo, J. M. Donelan, and A. Ruina, "Energetic consequences of walking like an inverted pendulum: step-to-step transitions," Exerc Sport Sci Rev, vol. 33, pp. 88-97, 2005.
  • F. J. Diedrich and W. H. Warren, Jr., "Why change gaits? Dynamics of the walk-run transition," J Exp Psychol Hum Percept Perform, vol. 21, pp. 183-202, 1995. [10] L. Li and J. Hamill, "Characteristics of the vertical ground reaction force component prior to gait transition," Res Q Exerc Sport, vol. 73, pp. 229-37, 2002. [11] S. J. Cuccurullo, editor, Physical Medicine and Rehabilitat
  • J. M. Donelan, R. Kram, and A. D. Kuo, "Mechanical work for step-to-step transitions is a major determinant of the metabolic cost of human walking," Journal of Experimental Biology, vol. 205, pp. 3717-3727, 2002.
  • M. Garcia, A. Chatterjee, A. Ruina, and M. Coleman, "The simplest walking model: Stability, complexity, and scaling," ASME Journal of Biomechanical Engineering, 1998.
  • P. G. Adamczyk and A. D. Kuo, "Redirection of center-of-mass velocity during the step-to-step transition of human walking," J Exp Biol, vol. 212, pp. 2668-78, 2009.
  • T. McGeer, "Passive dynamic walking," The International Journal of Robotics Research, vol. 9, pp. 62, 1990.
  • Yeom, Jin, "A gravitational impulse model predicts collision impulse and mechanical work during a step-to-step transition", Journal of Biomechanics, vol. 44, pp. 59-67, 2011.
  • Yeom, Jin, "Finite Collision Model for the Double Support Phase of Human Walking", M.S. Thesis, Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea, 2010.
0
0
views
downloads
All versions This version
Views 00
Downloads 00
Data volume 0 Bytes0 Bytes
Unique views 00
Unique downloads 00

Share

Cite as