Power-to-Strength Ratio Influences Performance Enhancement with Contrast Training.

Purpose: The effectiveness of contrast training (CST) for improving explosive exercise performance is modulated by various individual characteristics; however, further work is required to define these factors.

Methods: Subelite male Australian Football players (n = 22; age, 19 ± 2 yr; body mass, 80.4 ± 9.

Effects of caffeine on prolonged intermittent-sprint ability in team-sport athletes.

Purpose: Caffeine can be a powerful ergogenic aid for the performance of prolonged, submaximal exercise. Little evidence, however, supports an ergogenic effect of caffeine on intermittent-sprint performance. Hence, this study was conducted to examine the effects of acute caffeine ingestion on prolonged intermittent-sprint performance.