If you are overweight you can bet that is a contributing factor. People that are overweight are more prone to bad posture because of the areas where the additional weight collects. Indeed I understand how difficult it is to maintain weight in todays world. Fast food coupled with a nutritional pyramid that focuses on carbohydrates and sedentary lifestyles literally make you fat. I won’t go too far into your weight because I know everyone tells you that. Given these points, just do what you can to reduce your weight and you will moving in the right direction to stop low back pain.