The cardio world has split into two passionate camps that argue with the intensity of people debating pineapple on pizza. On one side, you have the HIIT devotees who swear by short, brutal workouts ...

High-intensity interval training (HIIT) is as popular as ever. Join the trend with these tips on what to wear, how to warm up, and more. No doubt you’ve heard the buzz about high-intensity interval ...

Steady-state cardio is better for people with certain health conditions and is easier to maintain long-term. HIIT should generally be done no more than two to three times per week with recovery days ...