1. Standing

When standing, you should stand upright, symmetrical on both sides, body weight is put on the legs without belly and waist, keep the normal curvature of the spine. Do not stand in positions that try to lengthen your body especially using shoes or high heels.

2. Sitting 

When sitting up on a chair with a height suitable for your feet flat on the floor, ankle, knee, hip perpendicular, back straight, resting them on the rear seat, body weight cornered them on the buttocks and legs.A  pillow can be used for low back  to keep the normal curve of this section.

3.Take or lift up heavy thing 

When you want to carry or lift anything from the ground up, you need to pay attention to the posture of the spine and body, the distance between the object and the body and the rhythmic coordination of the movements, specifically as follows:

• Two feet wide has distance to create a solid base
• Squat down (bend the knee and hip joints, don't bend the spine)
• Bring objects close to your abdomen, tighten your stomach muscles.
• Lift things up by standing up (do not use the lumbar muscle to lift)
• Keep the spine straight, without twisting.
• The stretch of the waist is control at normal levels

4. Calf and take things away

 When we want to carry something away, we should pay  attention to the posture of the spine and torso as well as its position and distance from the body. Some issues to note are as follows:

• Carry the item as instructed above
• Keep by tow hand 
• Keep object on belt , at chest level
• Keep spine at straight 
• Walt on normally, straight, feel comfortable

5. Take Object at high 

• Should use chair or table to take object at high 
• Keep tow feet on balance 
• Ensure around not have anything cause trouble 

6. When Pushing or pulling 

Should push object than pull with heavy thing. Pay attention between legs, knee....