Polarized training has greater impact on key endurance variables than threshold, high intensity, or high volume training
Physiological changes associated with the pre-event taper in athletes.
The scientific basis for high-intensity interval training: optimising training programmes and maximising performance in highly trained endurance athletes.
Training techniques to improve endurance exercise performances.
Effects of β-alanine supplementation and high-intensity interval training on endurance performance and body composition in men; a double-blind trial
The effect of strength training on performance in endurance athletes.