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Moon J, Koo D, Kim K, et al. Effect of ski simulator training on kinematic and muscle activation of the lower extremities. J Phys Ther Sci. 2015;27(8):2629-32doi: 10.1589/jpts.27.2629.
Moon, J., Koo, D., Kim, K., Shin, I., Kim, H., & Kim, J. (2015). Effect of ski simulator training on kinematic and muscle activation of the lower extremities. Journal of physical therapy science, 27(8), 2629-32. https://doi.org/10.1589/jpts.27.2629
Moon, Jeheon, et al. "Effect of ski simulator training on kinematic and muscle activation of the lower extremities." Journal of physical therapy science vol. 27,8 (2015): 2629-32. doi: https://doi.org/10.1589/jpts.27.2629
Moon J, Koo D, Kim K, Shin I, Kim H, Kim J. Effect of ski simulator training on kinematic and muscle activation of the lower extremities. J Phys Ther Sci. 2015 Aug;27(8):2629-32. doi: 10.1589/jpts.27.2629. Epub 2015 Aug 21. PMID: 26357449; PMCID: PMC4563330.
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J Phys Ther Sci. 2015 Aug;27(8):2629-32. doi: 10.1589/jpts.27.2629. Epub 2015 Aug 21.

Effect of ski simulator training on kinematic and muscle activation of the lower extremities.

Journal of physical therapy science

Jeheon Moon, Dohoon Koo, Kitae Kim, Insik Shin, Hyeyoung Kim, Jinhae Kim

Affiliations

  1. Department of Physical Education, Seoul National University, Republic of Korea.
  2. Division of Liberal Arts and Science, Korea National Sport University, Republic of Korea.
  3. Department of Physical Education, Korea National Sport University, Republic of Korea.

PMID: 26357449 PMCID: PMC4563330 DOI: 10.1589/jpts.27.2629

Abstract

[Purpose] This study aimed to verify the effectiveness of an augmented reality-based ski simulator through analyzing the changes in movement patterns as well as the engagement of major muscles of the lower body. [Subjects] Seven subjects participated in the study. All were national team-level athletes studying at "K" Sports University in Korea who exhibited comparable performance levels and had no record of injuries in the preceding 6 months (Age 23.4 ± 3.8 years; Height 172.6 ± 12.1 cm; Weight 72.3 ± 16.2 kg; Experience 12.3 ± 4.8 years). [Methods] A reality-based ski simulator developed by a Korean manufacturer was used for the study. Three digital video cameras and a wireless electromyography system were used to perform 3-dimensional motion analysis and measure muscle activation level. [Results] Left hip angulation was found to increase as the frequency of the turns increased. Electromyography data revealed that the activation level of the quadriceps group's extension muscles and the biceps femoris group's flexing muscles had a crossing pattern. [Conclusion] Sustained training using an augmented reality-based ski simulator resulted in movements that extended the lower body joints, which is thought to contribute to increasing muscle fatigue.

Keywords: EMG; Kinematic; Ski simulator

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