Add Yahoo as a preferred source to see more of our stories on Google. While we normally get our HIIT (high-intensity interval training) fix in group fitness classes, sometimes hitting the gym isn’t in ...

In HIIT workouts, you're tasked to complete cardio and strength-building exercises such as lunges, jumping jacks, squats, and burpees, with short periods of rest in between. When practiced correctly ...

Luckily, you don't have to be a pro athlete or an experienced fitness buff to do a HIIT workout. There are plenty of low-impact options for beginners on YouTube, which means they all still torch ...