Disc pressure on different postures
Pressure in kilograms placed upon the low back spinal disc in different positions. Lying on your back 25kg, side lying 75kg, standing straight 100kg, leaning forwards 150kg, leaning forwards with a weight in you’re the hands 220kg, sitting 140kg, sitting slouched forwards 185kg, sitting slouched forward with a weight in the hands 275kg. Table from original research by Nachemson, 1981.