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dc.creatorBarranco Gil, David
dc.creatorAlejo, Lidia B
dc.creatorValenzuela, Pedro L
dc.creatorGil Cabrera, Jaime
dc.creatorMontalvo Pérez, Almudena
dc.creatorTalavera, Eduardo
dc.creatorMoral González, Susana
dc.creatorClemente Suárez, Vicente Javier
dc.creatorLucía, Alejandro M
dc.description.abstractPurpose: To analyze the effects of different warm-up protocols on endurance-cycling performance from an integrative perspective (by assessing perceptual, neuromuscular, physiological, and metabolic variables). Methods: Following a randomized crossover design, 15 male cyclists (35 [9] y; peak oxygen uptake [VO2peak] 66.4 [6.8] mL·kg−1·min−1) performed a 20-minute cycling time trial (TT) preceded by no warm-up, a standard warm-up (10 min at 60% of VO2peak), or a warm-up that was intended to induce potentiation postactivation (PAP warm-up; 5 min at 60% of VO2peak followed by three 10-s all-out sprints). Study outcomes were jumping ability and heart-rate variability (both assessed at baseline and before the TT), TT performance (mean power output), and perceptual (rating of perceived exertion) and physiological (oxygen uptake, muscle oxygenation, heart-rate variability, blood lactate, and thigh skin temperature) responses during and after the TT. Results: Both standard and PAP warm-up (9.7% [4.7%] and 12.9% [6.5%], respectively, P <.001), but not no warm-up (−0.9% [4.8%], P =.074), increased jumping ability and decreased heart-rate variability (−7.9% [14.2%], P =.027; −20.3% [24.7%], P =.006; and −1.7% [10.5%], P =.366). Participants started the TT (minutes 0-3) at a higher power output and oxygen uptake after PAP warm-up compared with the other 2 protocols (P <.05), but no between-conditions differences were found overall for the remainder of outcomes (P >.05). Conclusions: Compared with no warm-up, warming up enhanced jumping performance and sympathetic modulation before the TT, and the inclusion of brief sprints resulted in a higher initial power output during the TT. However, no warm-up benefits were found for overall TT performance or for perceptual or physiological responses during the
dc.publisherCorporación Universidad de la Costaspa
dc.rightsCC0 1.0 Universal*
dc.sourceInternational Journal of Sports Physiology and Performancespa
dc.subjectTime trialspa
dc.titleWarming up before a 20-minute endurance effort: Is it really worth itspa
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