Good posture equals good health at The Back Dr. Tips to help improve your posture. Good posture helps to prevent back pain, neck pain, minimising the likelihood of injury and helps to reduce stress on the joints which can lead to osteoarthritis. How to sit properly. How to stand properly. Why is good posture important? What is good posture? Can you correct posture? Forward head posture. Rounded shoulders. Poor posture can lead to low back pain, neck pain, headaches, stiff sore neck, muscle tightness and fatigue.