| Seated human body segments | Mass in kg |
| Seat | 12 |
| Lower arm | 5.297 |
| Upper arm | 5.47 |
| Torso | 32.697 |
| Thoracic spine | 4.806 |
| Thorax | 13.626 |
| Cervical spine | 1.084 |
| Head | 5.445 |
| Lumbar spine | 2.002 |
| Diaphragm | 0.454 |
| Abdomen | 5.906 |
| Pelvis | 27.174 |