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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)
  1. aIMA was measured on X-ray images using a goniometer