Lesson 2.3: Water Temperatures

Heat dissipation naturally cools the body through heat conduction and convection when a class participant is submerged in water that is cooler than body temperature. In addition, water temperature can influence heart rate and oxygen consumption.

Pool temperatures that are too warm interfere with the body’s ability to dissipate excess heat. If the body is unable to release enough heat through the skin when it is submerged in a warm pool, core temperature can elevate to an unsafe level, a condition called hyperthermia. Therefore, therapeutic pool temperatures of over 88° are not recommended for SilverSneakers Splash classes because the body may overheat.

Water temperature between 86° and 88° is recommended for lower-intensity exercise. Examples include but are not limited to anchored movement with grounded exercise options or range of motion exercises. Note: Anchored movement is movement that is grounded to the pool floor, in contrast to suspended movement, which elevates or suspends the body away from the floor of the pool.

Water temperature between 83° and 86° is optimal for moderate- to high-intensity exercise. This temperature range allows for the body to react and respond normally during SilverSneakers Splash classes. At 83°- 86°, the body can take advantage of the water’s ability to cool as internal body temperature increases and can react easily without the risk of overheating.

 Water temperature below 83 degrees affects the body’s ability to transport blood and oxygen to working muscles. This may increase the risk of muscle cramping, dehydration, electrolyte imbalance and poor circulation. Pool temperatures below 83 degrees are not recommended for Splash classes.