Protein Supplementation Increases Adaptations to Low-Volume, Intra-Session Concurrent Training in Untrained Healthy Adults: A Double-Blind, Placebo-Controlled, Randomized Trial.

Additionally, a strong trend for a group-by-time interaction was noted for 1-RM of abdominal muscles ( p = 0.05, ή 2 = 0.11).

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Therefore, the observed differences in muscle strength changes between the PRO group and PLA group may be of clinical interest, even when the differences in most muscle groups did not reach statistical significance.

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