It also improves flexibility, mobility, balance, and coordination. In short, not only can calisthenics improve how you look, but it’ll also improve how you move and feel. As such, it’s the ideal workout for athletes and those looking to become more athletic. If the free option is already great, the pro option has to be amazing. These exercises will bolster your muscular strength and improve balance and flexibility. The booklet explained that there were 48 levels of difficulty spread across…