We use our back for pretty much everything. Even simple activities usually require some effort on its part, and even simple activities can cause a problem. The most common back problems are muscle pulls and strains. Although quite common, they can be severe. The following steps can help relieve discomfort and swelling due to a tight, aching back. (NOTE: If you are experiencing pain, weakness/numbness in the legs, or a loss of bowel/bladder control, see your doctor without delay.) First…