Biology of Sport
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ISSN: 0860-021X
Biology of Sport
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3/2022
vol. 39
 
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abstract:
Original paper

Impact of tapering and proactive recovery on young elite rugby union players’ repeated high intensity effort ability

Adrien Vachon
1, 2
,
Nicolas Berryman
1, 3, 4, 5
,
Iñigo Mujika
6, 7
,
Jean-Baptiste Paquet
2
,
Fabien Sauvet
8
,
Laurent Bosquet
1, 9

  1. Lab MOVE (EA6314), Faculty of sport sciences, University of Poitiers, 8 allée Jean Monnet (bât C6), TSA 31113, 86073 Poitiers cedex 9, France
  2. Stade Rochelais Rugby, 27 Avenue du Maréchal Juin, 17000 La Rochelle, France
  3. Département des sciences de l’activité physique, 141 Avenue du Président Kennedy, Université du Québec à Montréal, Montréal (Qc), Canada H2X 1Y4
  4. Institut national du sport du Québec, 4141 Pierre de Coubertin, Montréal (Qc), Canada H1V 3N7
  5. Department of Sports Studies, Bishop’s University, 2600 College, Sherbrooke (Qc), Canada J1M 1Z7
  6. Department of Physiology, Faculty of Medicine and Nursing, University of the Basque Country, Leioa, Basque Country
  7. Exercise Science Laboratory, School of Kinesiology, Faculty of Medicine, Universidad Finis Terrae, Santiago, Chile
  8. Institut de recherche biomédicale des armées (IRBA), Brétigny sur orge, France EA7330 VIFASOM, Université de Paris, Hotel Dieu, Paris, France
  9. Department of kinesiology, University of Montreal, CP6128 succ. centre ville. Montreal (Qc), Canada H3C 3J7
Biol Sport. 2022;39(3):735–743.
DOI: https://doi.org/10.5114/biolsport.2022.109453
Online publish date: 2021/09/30
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To assess the effects of a taper combined with proactive recovery on the repeated high intensity effort (RHIE) of elite rugby union players, and the possible interaction of pre-taper fatigue and sleep. Eighteen players performed a 3-week intensive training block followed by a 7-day exponential taper combined with a multicomponent recovery strategy. Following the intervention, players were divided into 3 groups (Normal Training: NT, Acute Fatigue: AF or Functional Overreaching: F-OR) based on their readiness to perform prior to the taper. Total sprint time [TST], percentage decrement [%D] and the number of sprints ≥90% of the best [N90] were analyzed to assess performance during a RHIE test. Subjective sleep quality was assessed through the Pittsburg Sleep Quality Index (PSQI) and the Epworth Sleepiness Scale (ESS). No improvement in TST was reported in either NT or F-OR after the taper, whereas AF tended to improve (-1.58 ± 1.95%; p > 0.05; g = -0.20). F-OR players reported baseline PSQI and ESS indicative of sleep disturbance (6.2 ± 2.2 and 10.6 ± 5.4, respectively). AF displayed a small impairment in PSQI during intensive training (11.5 ± 80.6%; p > 0.05; g = 0.20), which was reversed following the taper (-34.6 ± 62.1%; p > 0.05; g = -0.73). Pre-taper fatigue precluded the expected performance benefits of the combined taper and recovery intervention, likely associated with a lack of strictly controlled intensive training block. Poor sleep quality before the intensive training period appeared to predispose the players to developing functional overreaching.
keywords:

Supercompensation, Repeated efforts, Sleep, Fatigue, Cold-water immersion, Foam rolling, Training load

  
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