The impact of limb symmetry on stroke-to-stroke movement variability in para-swimmers during an adapted aerobic step test

The study purpose was to measure effects of anthropometric limb characteristics on fatigue-related changes in stroke-to-stroke motor variability (MV) of trunk mediolateral (ML) acceleration. Six Paralympic swimmers performed an in-water, fatiguing, freestyle aerobic test consisting of 5 steps of 200m (n = 4); 150m (n = 1) or 100m (n = 1) with a sacrum worn inertial measurement unit. Upper-limb segment lengths were measured, and symmetry indices (LSI) were calculated. Sample entropy (SampEn) and fractal dimension (FD) were calculated on ML acceleration. Fatigue was confirmed with increased RPE (p < 0.01). ANOVA fatigue response models of SampEn and FD improved with LSI as a covariate (p < 0.01), showing that symmetry indices affected individual responses to fatigue. Coaches should consider anthropometric symmetry when designing para-swimming training plans.
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Bibliographic Details
Subjects:
Notations:sports for the handicapped
Tagging:Paraschwimmen Symmetrie Stufentest
Published in:ISBS Proceedings Archive: Vol. 42: Iss. 1
Language:English
Published: 2024
Online Access:https://commons.nmu.edu/isbs/vol42/iss1/49/
Volume:42
Issue:1
Pages:49
Document types:article
Level:advanced