Figure 3

Pooled analysis for the effect of combined exercise training versus control on fasting insulin levels in physically inactive adults. The pooled SMD shows a reduction in fasting insulin in favor of the exercise group (combined training) compared to the control group. Streb et al. 2021 (a): non-periodized combined exercise vs control group; Streb et al. 2021 (b): linear periodized combined exercise vs control group.