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Experimental evaluation on the effect of biomechanical features on human body stiffness

Hejazi dinan, P ; Sharif University of Technology | 2023

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  1. Type of Document: Article
  2. Publisher: Society of Acoustics , 2023
  3. Abstract:
  4. Human body stiffness plays an important role in whole body vibration analysis and also athletic performance and motor control. In recent years researchers focused on calculating lower-extremity stiffness for better monitoring vibration of whole body and also improving athletic performance and decreasing their injuries. Lower limb power, stiffness and muscular strength are often obtained from maximal vertical jump which is an important motor skill in physical activities. The stiffness can be calculated by vertical reaction force divided by vertical movement of mass centre. During running and jumping, legs can be modelled as a spring with the body mass sitting at the top. With regard to the importance of human response to vibration, this study is aimed to investigate the effect of biomechanical parameters of human body by analysing the kinetic variables and vertical stiffness of individuals. It is expected that the biomechanical parameters representing the kinetic variables of human body, could affect body response to whole body vibration and shocks. The assessment is based on response of athlete participants with different dimensionless anthropometric parameters such as the ratio of body fat mass to body mass, skeletal muscle mass to body mass, upper limb mass to body mass and lower limb mass to body mass. The data was obtained by counter movements of athletics in vertical jump experiments. The body composition and ground reaction force were shown to be related to vertical jump performance. © 2023 Proceedings of the International Congress on Sound and Vibration. All rights reserved
  5. Keywords:
  6. Biomechanics ; Ground reaction force ; Vertical jump ; Vertical stiffness ; Vibration analysis
  7. Source: Proceedings of the International Congress on Sound and Vibration ; 2023 ; 23293675 (ISSN); 978-801103423-8 (ISBN)
  8. URL: https://www.researchgate.net/profile/Amirhossein-Emamian/publication/373805746_EXPERIMENTAL_EVALUATION_ON_THE_EFFECT_OF_BIOMECHANICAL_FEATURES_ON_HUMAN_BODY_STIFFNESS/links/64fd53e195f1fb124b7871bf/EXPERIMENTAL-EVALUATION-ON-THE-EFFECT-OF-BIOMECHANICAL-FEATURES-ON-HUMAN-BODY-STIFFNESS.pdf