There's no getting away from it—most of us spend an unnatural amount of time sitting still and craning toward a screen—and that can result in achy shoulders, back and hips.
Even worse, when we spoke to David Wiener, a training and nutrition specialist for Freeletics, about why good posture is important, he said: "When you slouch, you shorten the muscles at the front of your body, reducing your ability to breathe in properly. It can also disrupt your gastrointestinal system, which can lead to digestive distress, such as constipation and acid reflux."
