Table 3 AP and ML bending rigidity values determined by R. M Sellei et al. for four different Hoffman configurations [16] with range reported in brackets. Compared with AP and ML bending rigidity values with associated standard deviations
From: Low cost 3D printed clamps for external fixator for developing countries: a biomechanical study
| Type of configuration | Double-rod configuration (N/mm) | Hybrid double rod configuration (N/mm) | Single rod direct link configuration (N/mm) | Single rod side arm configuration (N/mm) | 3D printed single rod configuration (N/mm) |
|---|---|---|---|---|---|
| AP bending rigidity | 29 [26–31] | 17 [16–18] | 29 [28–29] | 13 [11–15] | 35.98+/−2.11 |
| ML bending rigidity | 39 [38–39] | 35 [34–37] | 26 [25–27] | 12 [10–13] | 39.60+/−2.60 |