Which types of exercise suit different days of your period. The chapter suggests matching intensity to your flow, with moderate workouts on lighter days and gentler, low-impact options when flow is heavier. It explains how light cardio such as walking or cycling can improve blood flow and ease cramps, and clears up myths about swimming, describing what water pressure does and does not do to your flow. Readers learn about moderate aerobic exercise such as dance, including a weekly target, and why strength training, such as bodyweight squats or light weights, is safe and can be beneficial during menstruation despite common worries.