A sled push stimulus potentiates subsequent 20-m sprint performance

Objectives The objective of this study was to examine the potentiating effects of performing a single sprint-style sled push on subsequent unresisted 20 m sprint performance. Design Randomized crossover design. Methods Following a familiarization session, twenty rugby league players performed maximal unresisted 20 m sprints before and 15 s, 4, 8 and 12 min after a single sled push stimulus loaded with either 75 or 125% body mass. The two sled...