Fig. 2From: Effect of whey vs. soy protein supplementation on recovery kinetics following speed endurance training in competitive male soccer players: a randomized controlled trialChanges (percentage changes from speed-endurance training session 1) in field activity (a) and internal load (b) indices during speed-endurance training session 2. †denotes significant difference between whey and placebo trial at P < 0.05. ‡ denotes significant difference between soy and placebo trial at P < 0.05Back to article page