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- Title
Whey protein supplementation does not accelerate recovery from a single bout of eccentric exercise.
- Authors
Hilkens, Luuk; De Bock, Jolien; Kretzers, Joris; Kardinaal, Alwine F M; Floris-Vollenbroek, Esther G; Scholtens, Petra A M J; Horstman, Astrid M H; van Loon, Luc J C; van Dijk, Jan-Willem
- Abstract
The current double blind, randomized, placebo-controlled trial with two parallel groups aimed to assess the impact of whey protein supplementation on recovery of muscle function and muscle soreness following eccentric exercise. During a 9-day period, forty recreationally active males received twice daily supplementation with either whey protein (PRO; 60 g/day) or an iso-energetic amount of carbohydrate (CON). Muscle function and soreness were assessed before, and 0, 3, 24, 48, and 72 h after performing 100 drop jumps. Recovery of isometric maximal voluntary contraction (MVC) did not significantly differ between groups (timextreatment, P = 0.56). In contrast, the recovery of isokinetic MVC at 90°·s -1 was faster in CON as opposed to PRO (timextreatment interaction, P = 0.044). Recovery of isokinetic MVC at 180°·s -1 was also faster in CON as opposed to PRO (timextreatment interaction, P = 0.011). Recovery of countermovement jump performance did not differ between groups (timextreatment interaction, P = 0.52). Muscle soreness, CK and CRP showed a transient increase over time ( P < 0.001), with no differences between groups. In conclusion, whey protein supplementation does not accelerate recovery of muscle function or attenuate muscle soreness and inflammation during 3 days of recovery from a single bout of eccentric exercise.
- Publication
Journal of sports sciences, 2021, Vol 39, Issue 3, p322
- ISSN
1466-447X
- Publication type
Journal Article
- DOI
10.1080/02640414.2020.1820184