Your body’s position greatly effects the amount of pressure on the low back. Laying on your back creates the least amount of pressure, but just by standing straight you put 4 times the pressure on your lower back as compared to laying on your back. Standing and bending forward will increase the pressure on your lower back by another 50% as compared to standing straight. (Perhaps this is why so many patients lower back pain is initialed by just bending forward.) Your lower back pressure is significantly increased when you bend forward while holding a weight and the heavier the weight the more the pressure

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