Race walking has been theoretically described as a walking gait in which no flight time is allowed and high travelling speed, comparable to running (3.6-4.2 m s -1 ), is achieved. The aim of this study was to mechanically understand such a "hybrid gait" by analysing the ground reaction forces (GRFs) generated in a wide range of race walking speeds, while comparing them to running and walking. Fifteen athletes race-walked on an instrumented walkway (4 m) and three-dimensional GRFs were recorded at 1000 Hz. Subjects were asked to performed three self-selected speeds corresponding to a low, medium and high speed. Peak forces increased with speeds and medio-lateral and braking peaks were higher than in walking and running, whereas the vertical peaks were higher than walking but lower than running. Vertical GRF traces showed two characteristic patterns: one resembling the "M-shape" of walking and the second characterised by a first peak and a subsequent plateau. These different patterns were not related to the athletes' performance level. The analysis of the body centre of mass trajectory, which reaches its vertical minimum at mid-stance, showed that race walking should be considered a bouncing gait regardless of the presence or absence of a flight phase.


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    Title :

    Race Walking Ground Reaction Forces at Increasing Speeds: A Comparison with Walking and Running


    Contributors:

    Publication date :

    2019-07-03


    Remarks:

    Pavei , G , Cazzola , D , La Torre , A & Minetti , A E 2019 , ' Race Walking Ground Reaction Forces at Increasing Speeds: A Comparison with Walking and Running ' , Symmetry , vol. 11 , no. 7 , 873 . https://doi.org/10.3390/sym11070873



    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



    Classification :

    DDC:    629



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