Please use this identifier to cite or link to this item: https://repositorio.usj.es/handle/123456789/629

Title: Muscle Tone and Body Weight Predict Uphill Race Time in Amateur Trail Runners
Authors: Berzosa Sánchez, César ORCID SCOPUSID
Gutiérrez, Héctor SCOPUSID
Bascuas, Pablo Jesús ORCID SCOPUSID
Arbones Arqué, Irela
Bataller-Cervero, Ana Vanessa SCOPUSID
Keywords: Fatigue; Vertical impacts; Stiffness; GPS
Issue Date: 19-Feb-2021
Publisher: MDPI
Citation: Berzosa, C.; Gutierrez, H.; Bascuas, P.J.; Arbones, I.; Bataller-Cervero, A.V. Muscle Tone and BodyWeight Predict Uphill Race Time in Amateur Trail Runners. Int. J. Environ. Res. Public Health 2021, 18, 2040. https://doi.org/10.3390/ ijerph18042040
Abstract: Background: Vertical kilometer is an emerging sport where athletes continuously run uphill. The aims of this study were to assess changes in vertical impacts caused by uphill running (UR) and the relation between the anthropometric and lower limb muscular characteristics with speed. Methods: Ten male experienced runners (35 +/- 7 years old) participated in this study. In the racetrack (4.2 km long, 565 m high), seven sections were stablished. Mean speed and impact value of sections with similar slope (approximate to 21%) were calculated. The gastrocnemius stiffness (GS) and tone (GT); and the vastus lateralis stiffness (VS) and tone (VT) were assessed before the race. Results: Pearson's correlation showed a linear relationship between vs. and VT (r = 0.829; p = 0.000), GT and GS (r = 0.792; p = 0.001). Mean speed is correlated with weight (r = -0.619; p = 0.024) and GT (r = 0.739; p = 0.004). Multiple linear regressions showed a model with weight and GT as dependent variables of mean speed. Mean impacts decreased significantly between sections along the race. Conclusions: The vertical impacts during UR were attenuated during the race. Moreover, body weight and GT were associated with the time-to-finish, which supports that low weight alone could not be enough to be faster, and strength training of plantar flexors may be a determinant in UR.
URI: https://repositorio.usj.es/handle/123456789/629
ISSN: 1660-4601
Appears in Collections:Artículos de revistas

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