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Table 2 Comparison of muscle strength and acceleration time in both ankles between the patients with plantar fasciitis and normal controls

From: A prospective study of the muscle strength and reaction time of the quadriceps, hamstring, and gastrocnemius muscles in patients with plantar fasciitis

  Affected ankles Unaffected ankles
  PF patients group Normal control group p-value PF patients group Normal control group p-value
GCM strength 30 ± 11.4 41 ± 14.4 0.278 37 ± 10.9 41 ± 11.5 0.633
Quadriceps strength 115 ± 34.7 144 ± 26.1 0.005 a 126 ± 34.8 141 ± 21.9 0.110
Hamstring strength 61 ± 20.4 68 ± 12.7 0.182 74 ± 16.9 77 ± 8.2 0.370
GCM AT 30 ± 11.4 41 ± 14.4 0.009 a 37 ± 10.9 41 ± 11.5 0.278
Quadriceps AT 64 ± 25.2 48 ± 14.4 0.012 a 54 ± 25.2 51 ± 14 0.652
Hamstring AT 77 ± 21.9 56 ± 15.6 0.001 a 60 ± 13.7 58 ± 17.7 0.629
Forefoot pressure 70 ± 27.7 46 ± 15.7 0.001 a 52 ± 18.7 46 ± 15.7 0.277
Hindfoot pressure 65 ± 22.8 36 ± 15.2 0.000 a 44 ± 18.6 36 ± 15.2 0.115
Foot posture (VV index) 0.2 ± 0.3 0 ± 0.2 0.039 a −0.1 ± 0.3 0 ± 0.2 0.861
  1. Abbreviations: PF plantar fasciitis, GCM gastrocnemius, AT acceleration time, VV index valgus/varus index
  2. Note: The values are expressed as mean ± standard deviation
  3. Measurement units for muscle strength and muscle reaction time were Nm kg− 1 × 100 and milliseconds, respectively
  4. aStatistically significant