Loads placed on your discs during various routine activities.
Loads may vary – but this is a good indicative guide.
| ACTIVITY | LOAD ON DISC (KG/CM2) |
| Lying on Back | 30 |
| Standing | 70 |
| Sitting | 100 |
| Sitting Slumped | 180 |
| Walking | 85 |
| Coughing, Sneezing | 110 |
| Laughing | 120 |
| Bending Forward | 120 |
| Lifting 20kg with Back Straight | 210 |
| Lifting 20kg with Back Bent | 340 |