What is an effect of working out in hot water during aqua fitness?

Working out in hot water during aqua fitness leads to increased heart rate and energy expenditure primarily due to the body's attempt to regulate its temperature. When immersed in warm water, the body generates more heat, which prompts an increase in heart rate to help distribute blood flow and manage this heat. This cardiovascular response not only elevates heart rate but also enhances overall energy expenditure because the body works harder to maintain homeostasis in a warmer environment.

In addition, exercising in hot water can promote greater relaxation of the muscles, which might support movement and strength but also might not necessarily translate to improved flexibility for all individuals. While some individuals may experience enhanced flexibility due to warmth promoting muscle elasticity, the significant effects during intense exercise are more often related to increased heart rate and energy demands. Understanding these responses is crucial for scheduling workouts and ensuring that participants remain safe and effective in their aqua fitness routines.