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- Title
Effect of Repeated Active Recovery During a High-Intensity Interval-Training Shock Microcycle on Markers of Fatigue.
- Authors
Wiewelhove, Thimo; Raeder, Christian; Meyer, Tim; Kellmann, Michael; Pfeiffer, Mark; Ferrauti, Alexander
- Abstract
Purpose: To investigate the effect of repeated use of active recovery during a 4-d shock microcycle with 7 high-intensity interval-training (HIT) sessions on markers of fatigue. Methods: Eight elite male junior tennis players (age 15.1 ± 1.4 y) with an international ranking between 59 and 907 (International Tennis Federation) participated in this study. After each training session, they completed 15 min of either moderate jogging (active recovery [ACT]) or passive recovery (PAS) with a crossover design, which was interrupted by a 4-mo washout period. Countermovement-jump (CMJ) height, serum concentration of creatine kinase (CK), delayed-onset muscle soreness (DOMS), and perceived recovery and stress (Short Recovery and Stress Scale) were measured 24 h before and 24 h after the training program. Results: The HIT shock microcycle induced a large decrease in CMJ performance (ACT: effect size [ES] = -1.39, P < .05; PAS: ES = -1.42, P < .05) and perceived recovery (ACT: ES = -1.79, P < .05; PAS: ES = -2.39, P < .05), as well as a moderate to large increase in CK levels (ACT: ES = 0.76, P > .05; PAS: ES = 0.81, P >.05), DOMS (ACT: ES = 2.02, P < .05; PAS: ES = 2.17, P < .05), and perceived stress (ACT: ES = 1.98, P < .05; PAS: ES = 3.06, P < .05), compared with the values before the intervention. However, no significant recovery intervention x time interactions or meaningful differences in changes were noted in any of the markers between ACT and PAS. Conclusions: Repeated use of individualized ACT, consisting of 15 min of moderate jogging, after finishing each training session during an HIT shock microcycle did not affect exercise-induced fatigue.
- Subjects
GERMANY; PSYCHOLOGICAL stress; ANALYSIS of variance; ANTHROPOMETRY; CLINICAL trials; CONFIDENCE intervals; CREATINE kinase; CROSSOVER trials; EXERCISE physiology; FATIGUE (Physiology); JOGGING; JUMPING; LACTATES; MENTAL fatigue; MUSCLE strength testing; MYALGIA; PROBABILITY theory; RESEARCH funding; TENNIS; EFFECT sizes (Statistics); COOLDOWN; PHYSICAL training &; conditioning; VISUAL analog scale; PRE-tests &; post-tests; ELITE athletes; REPEATED measures design; EXERCISE intensity; PHYSICAL activity; DATA analysis software; DESCRIPTIVE statistics; MUSCLE fatigue
- Publication
International Journal of Sports Physiology & Performance, 2016, Vol 11, Issue 8, p1060
- ISSN
1555-0265
- Publication type
Article
- DOI
10.1123/ijspp.2015-0494