Fans of this thigh-quaking class lift hand weights, do modified push-ups, and work their core with crunches—all while furiously peddling spinning bikes. Soul-Cycle.com
From simple shifts to audacious rituals, we present 30 ways to upgrade your life.
Our decade-by-decade guide to a lifelong fitness plan that will keep you fit (and proud of it!) through the years.
World record holders you won't believe! See what they can do with their bodies, bubbles and a bushel of apples.
You've got a million options, but experts say these are the ones to focus on.