As a child, being told to sit or stand up straight may have felt like a nuisance, but those adults in your life were on to something: Good posture helps you stay healthy and pain-free. “It can affect ...

Keeping hips and knees at a 90-degree angle and using back support may help alleviate lower back pain. It is best to avoid slumped positions and sitting cross-legged for long periods. A person may be ...