Keep Fit Exercise in the Water

The theory and practice of underwater exercise included in this book are paid equal attention, it is not restricted by age and physical condition, but suitable for unskilled swimmers.The whole book is divided into four parts of warm-up, weight loss, muscle strengthening and relaxation action, and has course examples aiming at different parts' fat burner and muscle strengthening, teaches you to use safe methods to conduct underwater exercises to reduce fat and keep fit, which has much fun and outstanding effect.