Research Article
The Use of Negative Acceleration as Accessory Force during Lifting
Table 1
Trunk and knee angles when “D” force is generated.
| Load | Trunk first | Trunk last | Knee first | Knee last |
| 0 lb | 49.90±13.99 | 92.01±9.25 | 74.41±13.2 | 96.66±3.45 | 10 lb | 42.80±9.39 | 94.3±3.52 | 80.81±11.68 | 94.79±3.11 | 20 lb | 44.87±7.23 | 92.23±3.87 | 80.81±11.68 | 94.79±3.11 | 25 lb | 39.44±12.85 | 83.2±15.29 | 79.43±12.52 | 91.81±6.08 |
|
|