Int J Sports Physiol Perform. 2021 Sep 1;16(9):1363-1370. doi: 10.1123/ijspp.2020-0700. Epub 2021 Feb 4.
To describe the intensity, load, and performance characteristics of a world-class sprinter competing in the Tour de France (TdF).
Power output (PO) data were collected from 4 editions of the TdF (2013, 2014, 2016, and 2017) and analyzed. Load, intensity distribution in 5 PO zones, and the maximal mean PO for multiple durations were quantified. Stages were divided in accordance with the 4 different editions of the TdF, as well as the 4 different stage types, that is, flat (FLAT), semimountainous (SMT), mountain (MT), and (team) time trials. In addition, based on their location within the stage, mountain passes were further classified as BEGINNING, MIDDLE, or END of the stage.
No differences in load, intensity, and performance characteristics were found when the 4 editions of the TdF were compared. Time trials were associated with higher intensities but a lower load compared to the other stage types. MT showed higher load and intensity values compared to FLAT and SMT stages. FLAT stages were higher in short maximal mean PO (≤1 min), whereas MT stages showed higher longer endurance maximal mean PO values (≥20 min). In addition, mountain passes situated at the BEGINNING of the stage were completed with a higher PO, cadence, and speed compared with mountain passes situated at the END.
A world-class sprinter sustains a higher load and spends more time in the high-intensity zones when competing in the TdF than previously reported values suggested. To finish the MT stages as efficiently as possible, sprinters adopt a reverse pacing strategy.
描述一位世界级短跑选手在环法自行车赛(TdF)中的强度、负荷和表现特征。
从 4 届 TdF(2013 年、2014 年、2016 年和 2017 年)中收集了功率输出(PO)数据,并进行了分析。定量了负荷、5 个 PO 区的强度分布以及多个持续时间的最大平均 PO。根据 TdF 的 4 个不同版本以及 4 个不同的阶段类型,即平地(FLAT)、半山地(SMT)、山地(MT)和(团队)计时赛,对阶段进行了划分。此外,根据它们在阶段内的位置,山地路段进一步分为阶段的起点、中段或终点。
当比较 TdF 的 4 个版本时,在负荷、强度和表现特征方面没有发现差异。计时赛与其他阶段类型相比,具有更高的强度但更低的负荷。MT 与 FLAT 和 SMT 阶段相比,具有更高的负荷和强度值。FLAT 阶段的短时间最大平均 PO(≤1 分钟)较高,而 MT 阶段的长时间耐力最大平均 PO 值较高(≥20 分钟)。此外,位于阶段起点的山路与位于阶段终点的山路相比,完成时的 PO、踏频和速度更高。
世界级短跑选手在参加 TdF 时承受的负荷更高,并且在高强度区花费的时间比之前报道的值所建议的更多。为了尽可能有效地完成 MT 阶段,短跑选手采用了反向配速策略。