Understanding Training Metrics and Effectiveness

This chapter explores the variations in training performance, focusing on the vital role of energy levels, workout intensity, and proxies like RPE and power output. It critiques common indicators such as heart rate and emphasizes the need for a comprehensive analysis of training metrics, including TSS and HRV, for better monitoring of recovery and performance. The discussion highlights how different types of training impact power gains and the importance of historical data in assessing fitness development.