Exercise appears to be useful for preventing<unk> . Exercise is also probably effective in preventing recurrences in those with pain that has lasted more than six weeks. Medium-firm mattresses are more beneficial for chronic pain than firm mattresses. There is little to no evidence that back belts are any more helpful in preventing<unk>  than education about proper lifting techniques. There is no quality data that supports medium firm mattresses over firm mattresses. A few studies that have contradicted this notion have also failed to include sleep posture and mattress firmness. The most comfortable sleep surface may be preferred. Shoe insoles do not help prevent<unk> .
Low back pain
Pelvic fracture
Back pain
Pelvic girdle pain
Middle back pain
Radicular pain
Pelvic pain
Xiphodynia