By Barbara Floria, Pure Matters If you have back pain, you are
probably more focused on making it stop than on finding the
cause of the pain. But back pain can be caused by many illnesses
and conditions, including stress or injury, being overweight,
improper lifting, pregnancy, and diseases such as fibromyalgia
and arthritis, according to the National Institute of Arthritis
and Musculoskeletal and Skin Diseases. Learning about possible
causes can help you get relief from the pain and possibly
prevent it in the future. Back sprain or strain This kind of
pain typically begins on the day after heavy physical activity.
Muscles in the back, buttocks, and thighs are often sore and
stiff. The back may have areas that are sore when touched or
pressed. If you have disk disease, you may have severe pain in
the lower back. If a disk compresses a nerve, the pain may
spread down one leg, and that leg may feel weak. The pain
usually gets worse during bending or twisting. Pain, numbness,
and weakness affect the back and leg