期刊
INTERNATIONAL JOURNAL OF SPORTS PHYSIOLOGY AND PERFORMANCE
卷 16, 期 5, 页码 674-681出版社
HUMAN KINETICS PUBL INC
DOI: 10.1123/ijspp.2020-0305
关键词
sprint; strength; endurance; cycling
资金
- University of Alcala (FPI2016)
- Spanish Ministry of Economy and Competitiveness
- Fondos FEDER [PI18/00139]
The study compared the effectiveness of resistance power training and cycling power training in professional cyclists, finding that both interventions were effective in improving endurance performance and bone health, with resistance power training showing greater improvements in body composition and muscle strength/power.
Purpose: To compare the effectiveness of resistance power training (RPT, training with the individualized load and repetitions that maximize power output) and cycling power training (CPT, short sprint training) in professional cyclists. Methods: The participants (20 [2] y, peak oxygen uptake 78.0 [4.4] mL.kg(-1).min(-1)) were randomly assigned to perform CPT (n = 8) or RPT (n = 10) in addition to their usual training regime for 7 weeks (2 sessions/wk). The training loads were continuously registered using the session rating of perceived exertion. The outcomes included endurance performance (8-min time trial and incremental test), as well as measures of muscle strength/power (1-repetition maximum and mean maximum propulsive power on the squat, hip thrust, and lunge exercises) and body composition (assessed by dual-energy X-ray absorptiometry). Results: No between-group differences were found for training loads or for any outcome (P>.05). Both interventions resulted in increased time-trial performance, as well as in improvements in other endurance-related outcomes (ie, ventilatory threshold, respiratory compensation point; P<.05). A significant or quasi-significant increase (P=.068 and .047 for CPT and RPT, respectively) in bone mineral content was observed after both interventions. A significant reduction in fat mass (P=.017), along with a trend (P=.059) toward a reduced body mass, was observed after RPT, but not CPT (P=.076 for the group x time interaction effect). Significant benefits (P<.05) were also observed for most strength-related outcomes after RPT, but not CPT. Conclusion: CPT and RPT are both effective strategies for the improvement of endurance performance and bone health in professional cyclists, although the latter tends to result in greater improvements in body composition and muscle strength/power.
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