Imagine a workout that burns fat and potently boosts your speed and agility. Sprint interval training (SIT) is a workout method that combines the benefits of high-intensity cardio with the ...

What is a SIT workout?“SIT stands for sprint interval training,” Laura Morris, a certified personal trainer and nutrition ...

Want to burn fat fast? These five treadmill workouts go beyond running, incorporating incline, sprints, and HIIT to maximize ...

Train to increase your speed in four weeks with a mix of interval workouts, easy runs, and long runs—all of which you can do ...

Jake Stothard, 84, and his trainer grandson Phil Mackenzie prove how important fitness can be for longevity and relationships.

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With that in mind, individuals can consider these activities as they seek to improve their cardiovascular endurance. Sprint interval training (SIT) A 2107 study published in the journal Sports ...