Once the lumbar sprain bed rest is necessary, as for flat or side lying is actually possible, as long as the bed to avoid twisting the twist position, is the side lying position when the axial turn is possible. But it should be noted that when lying down it is best to pad 5cm soft pillow under the waist, which can make the lumbar muscles to achieve a relaxed state, for the muscle damage caused by lumbar sprain can play a quick repair effect, but also to significantly relieve the symptoms of pain. When lying on your side, it is recommended to choose a turning mat, and lying on your side on the turning mat can also keep your muscles relaxed, which can relieve the symptoms and help the lumbar muscles repair themselves. In the process of bed rest if the pain relief is good, you can properly do lumbar back muscle exercise, lumbar back muscle exercise in the beginning may appear lumbar vertebral pain aggravation phenomenon, but in fact the lumbar back muscle self-rehabilitation exercise is also a method of self-repair after lumbar spine injury.