Statistical analysis
All data were checked for normal distribution using the Shapiro–Wilk-test. A mixed ANOVA (2 (group: IG vs. CG) × 2 (time: pre vs. post) was computed to analyse the time × group interaction effect of maximum handgrip strength and rate of force development. Post-hoc testing was done in case of a statistical significant interactions. To estimate the corresponding main or interaction effect sizes, partial eta squares (