![New Fitness Trends for 2021 - Fit and Awesome | High intensity interval training, High intensity interval, Interval training New Fitness Trends for 2021 - Fit and Awesome | High intensity interval training, High intensity interval, Interval training](https://i.pinimg.com/474x/81/ef/72/81ef72babc994558cd88465be0d817d8.jpg)
New Fitness Trends for 2021 - Fit and Awesome | High intensity interval training, High intensity interval, Interval training
![How Principles of High-Intensity Interval Training Can Boost Your Career Productivity - The Hospitalist How Principles of High-Intensity Interval Training Can Boost Your Career Productivity - The Hospitalist](https://www.the-hospitalist.org/wp-content/uploads/2022/05/HIIT-Example-WEB.jpg)
How Principles of High-Intensity Interval Training Can Boost Your Career Productivity - The Hospitalist
![The Magic of Interval Training. Just how good is high Intensity… | by Alex Fastfitness | Fastfitnesstips | Medium The Magic of Interval Training. Just how good is high Intensity… | by Alex Fastfitness | Fastfitnesstips | Medium](https://miro.medium.com/v2/resize:fit:600/1*427J-PNr-zp0SLO6cguEOw.png)
The Magic of Interval Training. Just how good is high Intensity… | by Alex Fastfitness | Fastfitnesstips | Medium
Fitreaks Gym SPPC - High-intensity interval training (HIIT), also called high-intensity intermittent exercise (HIIE) or sprint interval training (SIT), is a form of interval training, a cardiovascular exercise strategy alternating short periods
![Superior performance improvements in elite endurance athletes following short intervals vs. effort‐matched long intervals training – YLMSportScience Superior performance improvements in elite endurance athletes following short intervals vs. effort‐matched long intervals training – YLMSportScience](https://ylmsportscience.files.wordpress.com/2020/02/925engok.png)
Superior performance improvements in elite endurance athletes following short intervals vs. effort‐matched long intervals training – YLMSportScience
![Optimizing high-intensity intervals: superior physiological adaptations after a microcycle of short intervals versus long intervals – YLMSportScience Optimizing high-intensity intervals: superior physiological adaptations after a microcycle of short intervals versus long intervals – YLMSportScience](https://ylmsportscience.files.wordpress.com/2022/01/1033engok.png)
Optimizing high-intensity intervals: superior physiological adaptations after a microcycle of short intervals versus long intervals – YLMSportScience
![Sports Performance Bulletin - High intensity training - Interval training: making the most of duration Sports Performance Bulletin - High intensity training - Interval training: making the most of duration](https://d3rqy6w6tyyf68.cloudfront.net/AcuCustom/Sitename/DAM/085/11379-intervals-11.jpg)