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 ...

CONROE -- Eyes fixed straight ahead, students clad in combat boots, beige trousers and sweatshirts march single file from class to class at a juvenile boot camp in Montgomery County. The boys and ...

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 ...

It's a fitness fad not for the faint of heart. It's exercise boot camp — a grueling workout for those tough enough to follow orders from a berating, loud-mouthed instructor. "It's not for people with ...

THE DAYS BEGIN BEFORE DAWN, WHEN the 25-year-old cocaine dealer from Atlanta makes his bed to Marine Corps specifications. After the quick-march to breakfast and a pulse-pounding calisthenics session, ...

Mexican soap star Alessandra Rosaldo's sister Mariana Sanchez is a fitness instructor. She offers boot camp classes at various parks and recreation centers across SoCal each Sunday taught in Spanish ...