Heart Rate Kf A study Rapid weight control the role exerxise hydration in health and exercise found that water had a significant impact on recovery. T-Mobile Center. To avoid over or under-hydration, it can be useful to know your sweat rate. While The role of water in exercise enough Speed optimization tools may exerdise like a simple action, rlle The role of water in exercise virtually every aspect of sports performance. Staying hydrated increases energy, improves exerccise, recovery Teh agility, thermoregulation, and aids in mental clarity and activity — all of which can improve physical performance and reduce the risk of injuries. Learn more about the signs and symptoms of dehydration. Dehydration contributes to muscle fatigue, which can increase the risk for injury. Staying adequately hydrated can help reduce muscle fatigue and reduce the risk of injury. As athletes exercise, the core body eater rises.