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A model based study of a quantitative relation between joint strengthening and the highest achievable speed of human walking

Paper ID Volume ID Publish Year Pages File Format Full-Text
5188 347 2015 14 PDF Available
Title
A model based study of a quantitative relation between joint strengthening and the highest achievable speed of human walking
Abstract

There is a common belief that muscle strengthening would enhance the capability of fast walking, but the specific impact of different joint's strength on walking speed and the quantitative relation between them is not well explored. While the majority of the previous works in this area are based on experimental methods, it would be very expensive and time consuming to conduct as much experiment as necessary to establish such a quantitative relation. In the current research, instead of experimental methods, a mathematical framework is utilized to solve this problem. The objective of this paper is to briefly introduce this framework and present the obtained results based on that, for the mentioned relation. To achieve the objective of this paper, the highest achievable speed in sagittal plane with normal joint strength was first determined in the mathematical framework for three age groups. Afterward, the highest achievable speed was calculated for different levels of ankle, knee, and hip strength by changing the strength level in the mathematical model in all the studied groups. The results supported the crucial role of plantar flexors in all ages. It was shown that ankle strengthening up to certain critical value affected the speed significantly; whereas increasing the knee and hip strength may only facilitate fast walking without considerable effect on the speed value. Moreover, the critical level of ankle strengthening decreased with age increment. The attained results could be utilized in planning comprehensive joint strengthening exercises in sports and rehabilitation of subjects with lower limb disabilities.

Keywords
Joint strength; Fast walking; Quantitative relationship; Age effect
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A model based study of a quantitative relation between joint strengthening and the highest achievable speed of human walking
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biocybernetics and Biomedical Engineering - Volume 35, Issue 4, 2015, Pages 328–341
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us