On TikTok, workout tips abound — some credible, some dubious. And recently, you may have been hearing about something called sprint training, which falls somewhere between 12-3-20 treadmill workouts ...

Sprint interval training leads to different adaptations in mitochondria compared to traditional endurance training Photo: Getty Images, Niels Starnick; Collage: FITBOOK How training affects cells is ...

SIT may sound laid-back, but it’s anything but. Short for sprint interval training, it’s a form of high-intensity exercise that has nothing to do with taking a breather. Running is the obvious choice ...

HIIT, or high-intensity interval training, is increasingly popular, and it provides plenty of benefits, from torching calories to increasing your VO2 max and overall athletic performance. SIT, or ...

Lack of time is often the main reason people don't exercise regularly. But a type of interval workout recently popularized by ...

Discover why sprint interval training rapidly improves VO₂max, mitochondrial health, insulin sensitivity, and body composition. Learn science-backed mechanisms, safe protocols, and practical ...

Physical activities like jogging, walking, cycling, and sprinting are activities known to engage the musculoskeletal system and result in the utilization of energy. Sprint interval training (SIT) is a ...

Objective To investigate the effects of high-intensity interval training (HIIT) and sprint interval training (SIT) on fat oxidation during exercise (FatOx) and how they compare with the effects of ...

Good news: starting your running journey doesn't have to require diving in head-first and sprinting for 30 minutes straight. If you’ve never been much of a runner (or you’re starting to get back into ...

SIT may sound laid-back, but it’s anything but. Short for sprint interval training, it’s a form of high-intensity exercise that has nothing to do with taking a breather. ‘Sprint interval training is ...