Recently the waist is very painful for many reasons, the main reason is that recently stay at home, may always lie on the sofa or bed to watch TV, play with the phone, a long time the muscles of the waist is not as strong as before, slowly will produce lumbar muscle strain and fasciitis in the waist leading to pain in the waist, which is the most likely phenomenon. If there are no such reasons, usually exercise at home often, if you exercise more, there may be soreness of the lumbar muscles, which is another possibility. Acute sprains of the lumbar region, such as lifting heavy objects or brushing dishes in the kitchen or working for a long time causing fasciitis, may also occur lumbar injury. All of the above can be slowly relieved, after a slow physical exercise to increase the strength of the lumbar back muscles, slowly the symptoms can disappear.