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Table 6 Angle-specific H/Q ratio (mean ± SD) at 180°/s and 60°/s

From: Better quadriceps and hamstring strength is achieved after Total knee Arthroplasty with single radius femoral prostheses: a retrospective study based on isokinetic and isometric data

velocityangleMR groupSR groupP value
180°/s20°1.35 ± 0.801.12 ± 0.700.976
30°0.74 ± 0.620.89 ± 0.950.834
40°0.65 ± 0.460.67 ± 0.610.899
50°0.50 ± 0.440.61 ± 0.530.782
60°0.42 ± 0.380.45 ± 0.450.816
70°0.35 ± 0.330.39 ± 0.410.917
80°0.21 ± 0.560.21 ± 0.240.798
60°/s20°0.96 ± 0.630.87 ± 0.850.838
30°0.76 ± 0.490.83 ± 1.030.830
40°0.66 ± 0.410.68 ± 0.480.791
50°0.55 ± 0.320.60 ± 0.640.886
60°0.43 ± 0.310.43 ± 0.350.893
70°0.35 ± 0.260.32 ± 0.400.758
80°0.20 ± 0.330.49 ± 0.480.095
  1. SR single radius, MR multiple radius, H/Q hamstring/quadriceps