# Endurance Intensity Intervals Workout (around LT1) **URL:** \ **Category:** TrainerRoad Software\ **Created:** [August 7, 2023, 1:28pm UTC](https://www.trainerroad.com/forum/t/endurance-intensity-intervals-workout-around-lt1/85956 "2023-08-07T13:28:34Z")\ **Posts on this page:** 1\ **Showing post:** 25
**Author:** ![rswagler1](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/rswagler1/32/101174_2.png) [@rswagler1](https://www.trainerroad.com/forum/u/rswagler1)\ **Post date:** [March 4, 2024, 8:24pm UTC](https://www.trainerroad.com/forum/t/endurance-intensity-intervals-workout-around-lt1/85956/25 "2024-03-04T20:24:59Z")
I think Andy Coggan would disagree on the impact of going above 70%… > [@Lactate and lipolysis/zone 2 "mania"](https://www.trainerroad.com/forum/t/lactate-and-lipolysis-zone-2-mania/88066/5): > > Warning! Long-winded answer agead, but I promise I will get there… As I have been pointing out to people for a long time, the muscular adaptations to exercise training are both exceedingly complicated, yet rather simple. That is, while repeated bouts of exercise influence the expression of thousands of genes, at the end of the day these changes (and the accompanying post-translational modification of proteins, etc.) result in only one of two things: An increase in the ability of muscle to pr… --- _[View the full topic](https://www.trainerroad.com/forum/t/endurance-intensity-intervals-workout-around-lt1/85956)._