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Application of functional principal component analysis in race walking: an emerging methodology


Reference:

Dona, G., Preatoni, E., Cobelli, C., Rodano, R. and Harrison, A. J., 2009. Application of functional principal component analysis in race walking: an emerging methodology. Sports Biomechanics, 8 (4), pp. 284-301.

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    Official URL:

    http://dx.doi.org/10.1080/14763140903414425

    Abstract

    This study considered the problem of identifying and evaluating the factors of individual performance during race walking. In particular, the study explored the use of functional principal component analysis (f-PCA), a multivariate data analysis, for assessing and classifying the kinematics and kinetics of the knee joint in competitive race walkers. Seven race walkers of international and national level participated to the study. An optoelectronic system and a force platform were used to capture three-dimensional kinematics and kinetics of lower limbs during the race walking cycle. Functional principal component analysis was applied bilaterally to the sagittal knee angle and net moment data, because knee joint motion is fundamental to race walking technique. Scatterplots of principal component scores provided evidence of athletes' technical differences and asymmetries even when traditional analysis (mean +/- s curves) was not effective. Principal components provided indications for race walkers' classification and identified potentially important technical differences between higher and lower skilled athletes. Therefore, f-PCA might represent a future aid for the fine analysis of sports movements, if consistently applied to performance monitoring.

    Details

    Item Type Articles
    CreatorsDona, G., Preatoni, E., Cobelli, C., Rodano, R. and Harrison, A. J.
    DOI10.1080/14763140903414425
    DepartmentsFaculty of Humanities & Social Sciences > Health
    Publisher StatementDona_2009_fPCAinRaceWalking_author_postprint_.pdf: This is an Author's Accepted Manuscript of an article published in Dona, G. , Preatoni, E., Cobelli, C., Rodano, R., & Harrison, A. J. (2009). Application of functional principal component analysis in race walking: an emerging methodology. Sports Biomechanics, 8(4), 284-301, copyright Taylor & Francis, available online at: http://www.tandfonline.com/doi/abs/10.1080/14763140903414425
    RefereedYes
    StatusPublished
    ID Code29590

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