Table 4.
Work for hand opening, closing and hysteresis [Nmm] of different body-powered hand/hook prostheses. The acronym VO stands for voluntarily open, while VC stands for voluntarily closed. The hook prostheses are highlighted with a grey background (Table extracted from [24]).
| Prosthesis | Work for Hand Closing [Nmm] (Mean Value ± SD) | Work for Hand Opening [Nmm] (Mean Value ± SD) | Hysteresis [Nmm] (Mean Value ± SD) |
|---|---|---|---|
| “Federica” Hand | 302.17 ± 4.42 | 196.84 ± 5.91 | 106.80 ± 3.31 |
| Hosmer APRL VC Hand 52541 | 1058 ± 4 | - | 298 ± 8 |
| Hosmer Soft VC hand 61794 | 2292 ± 12 | - | 1409 ± 37 |
| Otto Bock VC 8K24, frame | 1624 ± 8 | - | 389 ± 19 |
| Hosmer Sierra VO Hand (ungloved) | - | 1152 ± 8 | 637 ± 6 |
| RSL Steeper VO Hand (ungloved) | - | 1758 ± 27 | 855 ± 6 |
| Otto Bock VO Hand (ungloved) | - | 2545 ± 11 | 917 ± 5 |
| Hosmer Becker VO (ungloved) | - | 2748 ± 17 | 1710 ± 9 |
| RSL Steeper Carbon VO | - | 1619 ± 2 | 487 ± 4 |
| Hosmer APRL VC Hook 52601 | 720 ± 6 | - | 138 ± 3 |
| TSR VC Hook-Grip 2SS | 284 ± 3 | - | 52 ± 1 |
| Hosmer Model VO 5XA Hook (1 band) | - | 1128 ± 14 | 290 ± 3 |
| Otto Bock VO 10A60 Hook | - | 1002 ± 3 | 482 ± 5 |
| Hosmer Sierra 2 Load VO Hook | - | 1243 ± 11 | 379 ± 1 |