King Grub
2015-11-13, 10:10
Pre-exercise creatine supplementation may have a beneficial effect on aging muscle performance. Using a double-blind, repeated measures, cross-over design, healthy males (N = 9, 54.8 ± 4.3 years; 92.9 ± 11.5 kg; 179.2 ± 11.1 cm) were randomized to consume creatine (20 grams) and placebo (20 grams corn-starch maltodextrin), on 2 separate occasions (7 days apart), 3 hours prior to performing leg press and chest press repetitions to muscle fatigue (3 sets at 70% 1-repetition maximum; 1 minute rest between sets). There was a set main effect (p < 0.05) for the leg press and chest press with the number of repetitions performed decreasing similarly for creatine and placebo. These results suggest that a bolus ingestion of creatine consumed 3 hours prior to resistance exercise has no effect on upper or lower body muscle performance in healthy aging males.
J Strength Cond Res. 2015 Nov 7. Effect of pre-exercise creatine ingestion on muscle performance in healthy aging males.
J Strength Cond Res. 2015 Nov 7. Effect of pre-exercise creatine ingestion on muscle performance in healthy aging males.