The Impact of Inactivity on Fitness Levels

Exploring the reversible nature of fitness changes, this chapter discusses the effects of detraining on factors like VO2 max, muscle mass, and blood plasma volume. It delves into research on cyclists' performance restoration after periods of inactivity and the challenges of studying prolonged detraining. Emphasizing the importance of balancing training intensity and volume, the chapter underlines the need for consistency to preserve fitness levels during breaks from physical activity.