Serena Williams shared new photos of her amazing body transformation on Friday. The 43-year-old tennis icon is shown working out in a gym. She captioned the new set of photos
Experts recommend exercising 20-30 minutes a day to increase muscle strength and improve the cardiovascular system
Joel Green is a personal trainer and world traveler based in Hamberg, Germany. In addition to personal training
Getty Images Rhabdomyolysis is a serious medical condition that is caused by the rapid destruction of muscle fibers, usually after





