Table 2 Results
From: Measurement of transverse forces between the first and second metatarsals: a cadaveric study
Case | Implant location: distal position relative to 1st bone length (%) | Initial IMAa (deg.) | Final IMAa (deg.) | IMA reduction (deg.) | Tension unloaded (N) | Tension per 1° reduction (N) | Tension loaded (N) | Tension increase (N) |
|---|---|---|---|---|---|---|---|---|
1 | 40 | 6 | 2.5 | 3.5 | 28 | 8.0 | 32 | 4 |
2 | 40 | 10 | 5.5 | 4.5 | 30 | 6.7 | 35 | 5 |
3 | 30 | 10 | 6 | 4 | 23 | 5.5 | 32 | 9 |
4 | 45 | 15 | 7 | 8 | 33 | 4.1 | – | – |
Avg. (±SD) of cases 1–3 | 36.7 (5.8) | 8.7 (2.3) | 4.7 (1.9) | 4 (0.5) | 27 (3.6) | 6.8 (1.1) | 33 (1.7) | 6 (2.6) |
Avg. (±SD) of cases 1–4 | 38.8 (6.3) | 10.3 (3.7) | 5.3 (1.9) | 5.3 (1.9) | 28.5 (4.2) | 6.1 (1.6) | – | – |