Of all the styles of fitness classes, boot camp-style group workouts probably feel the most torturous. After all, that's their whole shtick! But according to scientific studies and experts consulted ...

On the phone, Nathan Steffl sounds calm, cool and collected. But don’t let that friendly, easy-going voice fool you. “Let’s just say that I’m not as docile as I may sound when it comes to the boot ...

NEW YORK (Reuters Life!) - You may not be in the army now, but if your workout lacks inspiration, maybe what you need is a drill sergeant barking orders in your ear. Boot camp-style group fitness ...

Since boot-camp classes tend to mix short breaks into the workout, they're considered a form of high-intensity interval training (HIIT). According to Porcari, the average heart rate of someone during ...