دورية أكاديمية
Effect of different pacing strategies on 4-km cycling time trial performance
| العنوان: | Effect of different pacing strategies on 4-km cycling time trial performance |
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| المؤلفون: | V. Vieira-Cavalcante, L.P. Venancio-Dallan, O. Pereira-Santana, R. Bertuzzi, F. Tomazini, D.J. Bishop, G. Cristina-Souza, A.E. Lima-Silva |
| المصدر: | Brazilian Journal of Medical and Biological Research, Vol 55 (2023) |
| بيانات النشر: | Associação Brasileira de Divulgação Científica, 2023. |
| سنة النشر: | 2023 |
| المجموعة: | LCC:Medicine (General) LCC:Biology (General) |
| مصطلحات موضوعية: | All-out start strategy, Self-paced strategy, Even-paced strategy, Fast-start strategy, Brain regulation, Medicine (General), R5-920, Biology (General), QH301-705.5 |
| الوصف: | In cycling, there is a body of evidence that supports that an all-out start strategy is superior to an even-pacing strategy, but it is unknown whether an all-out start strategy is superior to a self-paced strategy. In the present study, we investigated the effects of three different pacing strategies on 4-km cycling time trial performance. After preliminary trials (familiarization trials and a baseline 4-km cycling time trial), in a randomized and counterbalanced order, twelve male cyclists (32.3±7.2 years old, maximum rate of O2 uptake (V̇O2peak) 4.3±0.4 L/min) completed: 1) a self-paced 4-km cycling time trial; 2) an all-out start (∼10 s), followed by maintenance of the average baseline trial power for the first km and self-paced cycling for the remaining trial (all-out+mean); and 3) an all-out start (∼10 s), followed by a power 5% above the average baseline trial power for the first km and self-paced cycling for the remaining trial (all-out+5%mean). Although there was a significant interaction between power and distance (P=0.001) with different power distribution profiles throughout the trial, there was no significant difference (P=0.99) between the three strategies for overall exercise performance (self-paced 379.8±13.9 s, all-out+mean 380.0±16.0 s, and all-out+5%mean 380.2±11.5 s). Oxygen uptake, rating of perceived effort, and heart rate were also similar across the pacing strategies. Different all-out start strategies did not confer additional benefits to performance compared to a self-paced strategy. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | English |
| تدمد: | 1414-431X 1414-431x |
| Relation: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2022000100688&tlng=en; https://doaj.org/toc/1414-431X |
| DOI: | 10.1590/1414-431x2022e12351 |
| URL الوصول: | https://doaj.org/article/a244c117e75c4aba9f59d7cd2ddb5fbf |
| رقم الأكسشن: | edsdoj.244c117e75c4aba9f59d7cd2ddb5fbf |
| قاعدة البيانات: | Directory of Open Access Journals |
Full Text Finder | تدمد: | 1414431X 1414431x |
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| DOI: | 10.1590/1414-431x2022e12351 |