Todd VanKerkhoff doesn’t have much time to exercise. The 34-year-old internal medicine physician in Chicago has three young kids. So for workouts, he often uses kettlebells in his backyard. “Crushed ...

Sit cross-legged, holding your baby in front of your chest. Make sure your elbows are bent and pressed against your rib cage. Straighten your arms upward without locking your elbows. Pause, then lower ...

Quick workouts might be the fitness world’s best-kept secret. If you’ve been telling yourself you don’t have time to exercise, that excuse just evaporated. Those brief bursts of movement you can ...