"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you're looking for a versatile and effective piece of workout equipment, look no further than the ...

Ring in 2011 with a kettlebell. It's one of the ultimate toning tools; an at-home or at the gym superhero of sorts. Kettlebell workouts can blast up to 300 calories in just 15 minutes all while ...

Five years ago, a serious man named Pavel Tsatsouline, a lean, muscular Russian who listed his former occupation as a physical trainer for Soviet special forces (which I assumed meant KGB), took me ...