The idea that you can spend less time working out yet see benefits equal to those from conventional exercise routines sounds too good to be true. Yet as devotees of high-intensity interval training ...

Fitness intensity can be one of the most subjective areas of working out. From “rate of perceived exertion” (or RPE) to the famous “runner’s high” or getting “in the zone,” these metrics can, at best, ...

Whether you’re an elite athlete or an amateur, running is a great way to gain endurance, build cardiovascular strength and help control weight gain. But running for as long as possible, until you’re ...

Burpies, squats, lunges and leg jumps; high intensity interval training aka HIIT is a rising star in the fitness world. But the most effective part of the workout is also the very thing many HIIT ...