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Is Body Fat a Predictor of Race Time in Female Long-Distance Inline Skaters?

AUTHORS

Beat Knechtle 2 , * , Patrizia Knechtle 1 , Thomas Rosemann 2 , Romuald Lepers 3

2 Institute of General Practice and for Health Services Research, University of Zurich, Zurich, Switzerland

1 Gesundheitszentrum St. Gallen, St. Gallen, Switzerland

3 INSERM U887, Faculty of Sport Sciences, University of Burgundy, Dijon, France

How to Cite: Knechtle B, Knechtle P, Rosemann T, Lepers R. Is Body Fat a Predictor of Race Time in Female Long-Distance Inline Skaters?, Asian J Sports Med. Online ahead of Print ; 1(3):34853. doi: 10.5812/asjsm.34853.

ARTICLE INFORMATION

Asian Journal of Sports Medicine: 1 (3); 131-136
Published Online: August 31, 2010
Article Type: Research Article
Received: June 6, 2010
Accepted: July 20, 2010
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Abstract

Purpose: The aim of this study was to evaluate predictor variables of race time in female ultra-endurance inliners in the longest inline race in Europe.

Methods: We investigated the association between anthropometric and training characteristics and race time for 16 female ultra-endurance inline skaters, at the longest inline marathon in Europe, the Inline One-eleven over 111 km in Switzerland, using bi- and multivariate analysis.

Results: The mean (SD) race time was 289.7 (54.6) min. The bivariate analysis showed that body height (r=0.61), length of leg (r=0.61), number of weekly inline skating training sessions (r=-0.51) and duration of each training unit (r=0.61) were significantly correlated with race time. Stepwise multiple regressions revealed that body height, duration of each training unit, and age were the best variables to predict race time.

Conclusion: Race time in ultra-endurance inline races such as the Inline One-eleven over 111 km might be predicted by the following equation (r2=0.65): Race time (min)=-691.62+521.71 (body height, m)+0.58 (duration of each training unit, min)+1.78 (age, yrs) for female ultra-endurance inline skaters.

Keywords

Skinfold thickness Physical Endurance Body Fat Skating Training volume

© 2010, Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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