Sprint interval training, or SIT, is super trendy right now. It’s a great way to improve your running speed and to get in a hard interval workout, and I’ll explain exactly how. But I also need to ...

As HIIT's popularity soars, sprint interval training, or SIT, is doing its best to catch up. Can shorter, harder, faster deliver better results? As the popularity of HIIT continues to soar, sprint ...

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 ...

As women enter their 40s and beyond, hormonal changes can make it harder to build muscle, maintain energy, and manage body composition. High-intensity training is one of the most powerful tools for ...

For those who live to sweat — but maybe want a chance to fully catch their breath — SIT is the new HIIT. HIIT, or high-intensity interval training, includes bursts (typically 30 seconds to a few ...

Sprint interval training (SIT) is a form of exercise characterized by cycles of intense exercise which are interspersed by short durations of rest. In a recent study, researchers deep dive into the ...

High-intensity interval training (HIIT) has emerged as a highly efficient exercise strategy that encompasses repeated bouts of vigorous effort interspersed with recovery periods. This method has ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The study, which was published in the journal Nature Communications, wasn’t huge, but it’s raising ...

Determining whether high-intensity interval training (HIIT) is an appropriate form of exercise for the average person has been hotly debated for years. But for one UBC Okanagan researcher, there's not ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Sprint interval ...