Where Going to the Gym is Most (Un)Popular (infographic)
French people are less enthusiastic about the gym than in the US
How I lost 30 pounds & got fit in just 3 months
Christopher Brown, 56, shares how he lost 30 pounds and became a more confident and active person
Celebrity Transformation: The workouts that got J.K. Simmons jacked
Try your hand at two sample workouts Williamson created for Simmons