Avoid bad posture 1, often use the computer should pay attention to the correct sitting posture, that is, keep the waist straight, waist and thighs to maintain a 90 ° angle, thighs and calves to maintain a 90 ° angle, and the upper limbs of the upper arm and the forearm also need to maintain a 90 ° angle, that is, to maintain the three 90 ° of the standard sitting posture; 2, watching TV should also have the correct sitting posture, waist and back straight, if necessary, in the lumbar back and the back of the sofa backrests to be placed between the middle of a moderate size The cushion, try to avoid the waist and back flexion or half-sitting on the sofa; 3, motorists should also be in the waist and backrest between a soft pillow to reduce lumbar pressure; 4, avoid bending over to lift heavy objects, as far as possible under the squatting instead of bending over, lifting and taking the heavy objects when the force to be uniform; 5, the family use of the washbasin, washbasin height to be reasonably set, if the height of the low, the use of the use of the front of the need to bend over and bend, increasing the pressure on the lumbar; 6, bedding should not be too soft or too soft, or too soft. The bedding should not be too soft or too hard, hardness to lie on your back when the palm of your hand into the waist just below the appropriate effort; 7, try to avoid sitting for a long time. Appropriate relaxation and exercise work or drive an hour after the best activities, shrug your shoulders and expand your chest stretching to do relaxation exercises, soothe the joints and muscles of the waist. Strengthen the self-exercise, all exercise methods are to waist stretching as the principle. For example: standing hands on the waist back stretch; or do swallow posture, that is, lying on the bed, abdomen and pelvis close to the bed, upper body and lower limbs as far as possible to lift away from the bed; or swimming to take the breaststroke posture. In general, it is to pay attention to and exercise, can not sit for a long time, reduce bending, weight bearing, pay attention to warmth can not be cold, to sit straight, sit high, sit correctly, enhance the lumbar back muscle exercise.