Care for low back pain, 如何保养你的腰

Do you know how to take care of your back? At Mayo clinic website, they has talked about good posture, back exercises, lifting techniques, and sleeping posture to reduce the back pain. Please see the following links.
几个方法帮助你保养你的腰，请看下列连结：

good posture, 良好姿势
sleeping positions, 睡眠姿势
back exercise, 背部的运动
lifting techniques,提重物的技巧

References
1. Mayo Clinic staff. “Low back pain: Everyday solutions.” Mayo Clinic Health information. Web. 29 Jun. 2011.
2. Mayo Clinic staff. "sleeping positions to reduce back pain." Mayo Clinic Health information. Web. 29 Jun. 2011.