Fig. 3

a myostatin pre- to post-intervention values; b myostatin effect sizes; c follistatin pre- to post-intervention values; d follistatin effect sizes. For within-group comparisons: ^ns not significant compared to baseline, p > 0.05; * Significantly different from baseline, p ≤ 0.05. For between-group comparisons: ^†Significantly different compared to the Control group, p ≤ 0.05