References
Fatigue
RECRUITMENT
Consort diagram for recruitment and enrollment.Peak power per sprint (W) across all sprints between placebo (PL—black) and creatine (CrM—gray) group. * indicates statistical significance for sprint trial compared to sprint 10.Mean ± standard error demographics for creatine (CrM) and placebo (PL) group.Birth control type: IUD or vaginal ring: (CrM Mean ± Standard Error for standard deviation of normal-to-normal RR intervals (SDNN) and Root Mean Square of Successive Differences (RMSSD) at rest, average recovery (0-15 min) and immediate recovery (5 min Post exercise) for pre-and post-supplementation in the follicular (low hormone) and luteal (high hormone), separated by supplement group.Data are presented as raw values. Significance was based on analyses of covariance (ANCOVA), covarying for an estimated VOMean ± Standard Error for Total Average Power, Fatigue Index, Peak Power and Time to Peak Power for pre-and post-supplementation in follicular (low hormone) and luteal (high hormone), separated by supplement.* indicates statistical significance from pre- to post-supplementation (