A simple squat is a foundational movement that is key to getting fitter and stronger, but sometimes, squatting can lead to an aching back long after you've racked your weights and left the gym.
Have you ever been to the gym and seen somebody lifting an impressive amount of weights, and then you happened to notice they're barefoot or just wearing socks? As it turns out, these bare-or-stocking-foot lifters aren't just doing it to show off their stinky feet.