Journal of Biomedical Engineering Research (대한의용생체공학회:의공학회지)

The Korean Society of Medical and Biological Engineering (대한의용생체공학회)
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Dynamic Changes depending on Adaptation to Assistive Joint Stiffness in Metatarsophalangeal Joint during Human Running

인체주행 시 중족지절 관절 보조 강성에의 적응에 따른 동역학적 변화 고찰

  • Keonyoung Oh (School of Mechanical Engineering, Kyungpook National University)
  • 오건영 (경북대학교 기계공학부)
  • Received : 2024.03.15
  • Accepted : 2024.04.02
  • Published : 2024.04.30
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Abstract

Recently, several studies have been conducted to lower the cost of transport of human by adding external joint stiffness elements. However, it has not been clearly elucidated whether adaptation time is required for human subjects to adapt to the added external joint stiffness. In this study, carbon plates in the form of shoe midsoles were added to the metatarsophalangeal joint, and the lower limb joint torque and mechanical energy consumption were compared before and after a total of 5 sessions (2.5 weeks) of running. A total of 11 young healthy participants exhibited higher elastic energy storage in carbon plates in the fifth session compared to the first session, and lower power in the ankle joint. This suggests that a single training session may be insufficient to validate the efficiency effect of added joint stiffness, and the human body seems to increase the elastic energy stored in the assistive joint stiffness and its reutilization.

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Acknowledgement

이 논문은 2024년도 한국연구재단 기초연구사업의 지원을 받아 수행된 연구임 (RS-2023-00252471).

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