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Table 1 Femur sawbone static testing results

From: Biomechanical investigation of dynamic hip screw and wire fixation on an unstable intertrochanteric fracture

  Max. load (N) Displacement in Max. load (mm) Stiffness (N/mm) Yield force (N) Displacement in yield force (mm) Energy (J)
No1 3261.5 8.81 393.7 2960 7.5 15.4
No2 3265.3 9.62 384.8 2965 6.8 17.9
No3 3424.5 10.27 402.1 2924 7.7 19.7
No4 3290.6 9.51 398.5 2895 7.5 17.4
DHS only (= 4) 3310 ± 77 9.6 ± 0.6 395 ± 7.5 2936 ± 33 7.4 ± 0.4 17.6 ± 1.8
No1 4702.1 11.6 498.4 3883 7.90 31.70
No2 4326.1 10.4 621.9 1699 2.84 27.4
DHS with wire (n = 2) 4514 ± 266* 11.0 ± 0.8 560 ± 87.3* 2791 ± 1544 5.4 ± 3.6 29.6 ± 3.0*
p value 0.001 0.067 0.012 0.839 0.273 0.003
  1. * indicate significant values (p < 0.05)
  2. t test