Tom Holland had to build 15 lbs of muscle to play Spider-Man. Holland achieved this with a 5-step workout, according to his trainer George Ashwell. The workout didn't involve any equipment except a ...

Sometimes in life, you really can't beat the old stuff. Old friends, old tunes, old movies - we love them all. And when it comes to working out, it seems we're partial to going retro too: indoor step ...