Stride smoothness evaluation of runners and other athletes

The purpose of this study was to compare an objective measurement of smoothness between a group of runners and a group of non-runners during running and fast walking. Smoothness was quantified by evaluating the endpoint jerk-cost (JC) at the heel. Subjects walked at a speed of 1.75 m·s −1 and ran at...

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Bibliographic Details
Published in:Gait & posture 2000-06, Vol.11 (3), p.199-206
Main Author: Hreljac, Alan
Format: Article
Language:English
Subjects:
Adult
Biomechanical Phenomena
Female
Foot - physiology
Gait
Gait - physiology
Humans
Jerk
Kinematics
Male
Running
Running - physiology
Sports
Walking - physiology
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Summary:The purpose of this study was to compare an objective measurement of smoothness between a group of runners and a group of non-runners during running and fast walking. Smoothness was quantified by evaluating the endpoint jerk-cost (JC) at the heel. Subjects walked at a speed of 1.75 m·s −1 and ran at a speed of 3.35 m·s −1 on a motor driven treadmill while 2-D kinematic data (60 Hz) were collected from a sagittal plane view. The runners were found to be smoother than the non-runners during both gait conditions, suggesting that this group was inherently smoother in gait related tasks. This study demonstrated that the smoothness of gait can be quantified objectively by evaluating the end-point JC at the heel, and that competitive runners tend to exhibit smoother strides than recreational runners during both running and fast walking.
ISSN:0966-6362
1879-2219
DOI:10.1016/S0966-6362(00)00045-X