Over-under intervals improve your ability to shuttle and buffer lactate near the boundaries of your threshold power. Improving these capabilities will increase your anaerobic capabilities allowing you to output higher power values with greater efficiency and less mental fatigue.
Aggressive Racing, Sprint Power, Over-Unders and More – Ask a Cycling Coach 297
Where should you draw the line with aggressive racing, why your sprint power may be lower than you want and how to improve it, why over-unders are so hard and what you can do to improve with them and much more in Episode 297 of the Ask a Cycling Coach Podcast.