What are four-inch cylinders of foam used for in water exercises?

Four-inch cylinders of foam are primarily used in water exercises as flotation aids, commonly referred to as water woggles. These devices are designed to provide buoyancy and support while allowing for a variety of movements within the water. By utilizing the foam's ability to float, participants can enhance their workout by incorporating resistance training and improving stability as they perform exercises.

Water woggles can be manipulated in numerous ways to create resistance during movement or to support the body for various aquatic exercises. They are particularly beneficial in rehabilitation or fitness classes for individuals of all fitness levels, as they help reduce impact on joints while promoting strength and flexibility. The foam cylinders also allow for engaging routines that can maintain participants' interest and motivation in a water-based fitness setting.

In contrast, other options like resistance bands and diving balls serve different purposes; resistance bands are typically used for land-based exercises to provide resistance in strength training, while diving balls are intended for underwater retrieval games or conditioning, not for flotation. Floatation belts, while also used for support in water, are typically structured differently and may not directly serve the same multi-functional role that woggles do in water exercises.