Contributions of Limb Joints to Energy Absorption during Landing in Cats
Joint Authors
Pei, Bao-Qing
Wu, Xueqing
Pei, Yuyang
Wu, Nan
Zhou, Kaiyuan
Hao, Yan
Wang, Wei
Source
Applied Bionics and Biomechanics
Issue
Vol. 2019, Issue 2019 (31 Dec. 2019), pp.1-13, 13 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2019-08-18
Country of Publication
Egypt
No. of Pages
13
Main Subjects
Abstract EN
There is a high risk of serious injury to the lower limbs in a human drop landing.
However, cats are able to jump from the same heights without any sign of injury, which is attributed to the excellent performance of their limbs in attenuating the impact forces.
The bionic study of the falling cat landing may therefore contribute to improve the landing-shock absorbing ability of lower limbs in humans.
However, the contributions of cat limb joints to energy absorption remain unknown.
Accordingly, a motion capture system and plantar pressure measurement platform were used to measure the joint angles and vertical ground reaction forces of jumping cats, respectively.
Based on the inverse dynamics, the joint angular velocities, moments, powers, and work from different landing heights were calculated to expound the synergistic mechanism and the dominant muscle groups of cat limb joints.
The results show that the buffering durations of the forelimbs exhibit no significant difference with increasing height while the hindlimbs play a greater role than the forelimbs in absorbing energy when jumping from a higher platform.
Furthermore, the joint angles and angular velocities exhibit similar variations, indicating that a generalized motor program can be adopted to activate limb joints for different landing heights.
Additionally, the elbow and hip are recognized as major contributors to energy absorption during landing.
This experimental study can accordingly provide biological inspiration for new approaches to prevent human lower limb injuries.
American Psychological Association (APA)
Wu, Xueqing& Pei, Bao-Qing& Pei, Yuyang& Wu, Nan& Zhou, Kaiyuan& Hao, Yan…[et al.]. 2019. Contributions of Limb Joints to Energy Absorption during Landing in Cats. Applied Bionics and Biomechanics،Vol. 2019, no. 2019, pp.1-13.
https://search.emarefa.net/detail/BIM-1114599
Modern Language Association (MLA)
Wu, Xueqing…[et al.]. Contributions of Limb Joints to Energy Absorption during Landing in Cats. Applied Bionics and Biomechanics No. 2019 (2019), pp.1-13.
https://search.emarefa.net/detail/BIM-1114599
American Medical Association (AMA)
Wu, Xueqing& Pei, Bao-Qing& Pei, Yuyang& Wu, Nan& Zhou, Kaiyuan& Hao, Yan…[et al.]. Contributions of Limb Joints to Energy Absorption during Landing in Cats. Applied Bionics and Biomechanics. 2019. Vol. 2019, no. 2019, pp.1-13.
https://search.emarefa.net/detail/BIM-1114599
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1114599