The words “high intensity interval training” (a.k.a. HIIT) alone might make you sweat, but it’s time to start incorporating it into your routine if you aren’t already. HIIT is a triple ...

Credit: Getty Images If you hate running, the good news is it’s not the only way to burn calories and build muscle — HIIT training is a great alternative, especially if you’re short on time.

GRIT: A 30-minute high-intensity interval training (HIIT) workout, designed to improve strength, cardiovascular fitness and build lean muscle. This workout uses barbell, weight plate and bodyweight ...

Also, don't worry that a fixed barbell is being used in the video ... here's a 20-minute bodyweight HIIT workout, that'll still fire up all your muscles. High-intensity interval training is ...

Have you been pushing yourself through High-Intensity Interval Training (HIIT) sessions, only to feel like you're not getting the results you were hoping for? It can be frustrating when you’re ...

Rodonis walks us through this first workout, which he dubs a "barbell complex" and demonstrates ... High-intensity interval training (HIIT) is a great way to switch up your typical workout routine ...