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Table 5 Mean values (SD) for the medial, central and lateral forefoot and hallux (N=30).

From: The effect of different depths of medial heel skive on plantar pressures

     Medial forefoot    
  Peak pressure (kPa) Maximum force (%BW) Contact area (cm2)
Condition Mean (SD) % change p-value Mean (SD) % change p-value Mean (SD) % change p-value
Orthosis with no heel skive 238.8 (75.9) n/a n/a 20.7 (7.0) n/a n/a 13.4 (2.0) n/a n/a
Orthosis with 2 mm heel skive 238.2 (68.8) -0.3% 1.000 20.4 (6.4) -1% 1.000 13.5 (1.9) +1% 1.000
Orthosis with 4 mm heel skive 228.9 (75.6) -4% 1.000 19.7 (6.0) -5% 1.000 13.2 (2.1) -1% 1.000
Orthosis with 6 mm heel skive 233.7 (69.1) -2% 1.000 20.9 (5.9) 1% 1.000 13.5 (1.9) +1% 1.000
     Central forefoot    
  Peak pressure (kPa) Maximum force (%BW) Contact area (cm 2 )
Condition Mean (SD) % change p -value Mean (SD) % change p -value Mean (SD) % change p -value
Orthosis with no heel skive 295.1 (77.0) n/a n/a 34.2 (7.5) n/a n/a 16.5 (1.7) n/a n/a
Orthosis with 2 mm heel skive 301.8 (78.5) 2% 0.900 33.5 (7.9) -2% 1.000 16.6 (1.6) 1% 1.000
Orthosis with 4 mm heel skive 292.4 (77.1) -1% 1.000 32.9 (8.5) -4% 1.000 16.2 (1.8) -2% 1.000
Orthosis with 6 mm heel skive 302.3 (81.6) 1% 1.000 34.4 (7.0) 1% 1.000 16.5 (1.7) 0% 1.000
     Lateral forefoot    
  Peak pressure (kPa) Maximum force (%BW) Contact area (cm 2 )
Condition Mean (SD) % change p -value Mean (SD) % change p -value Mean (SD) % change p -value
Orthosis with no heel skive 248.4 (56.6) n/a n/a 22.6 (4.8) n/a n/a 17.0 (1.7) n/a n/a
Orthosis with 2 mm heel skive 251.9 (63.5) +1% 1.000 23.0 (5.2) +2% 1.000 17.2 (1.6) +1% 1.000
Orthosis with 4 mm heel skive 254.3 (61.9) +1% 1.000 22.8 (5.2) +1% 1.000 17.3 (1.7) +2% 1.000
Orthosis with 6 mm heel skive 257.2 (63.6) +1% 1.000 23.0 (5.0) +2% 1.000 17.3 (1.7) +2% 1.000
     Hallux    
  Peak pressure (kPa) Maximum force (%BW) Contact area (cm 2 )
Condition Mean (SD) % change p -value Mean (SD) % change p -value Mean (SD) % change p -value
Orthosis with no heel skive 310.6 (93.9) n/a n/a 15.6 (6.9) n/a n/a 6.0 (0.9) n/a n/a
Orthosis with 2 mm heel skive 282.4 (79.9) -9% 0.667 14.7 (6.7) -6% 1.000 5.8 (1.1) -3% 0.661
Orthosis with 4 mm heel skive 297.2 (96.8) -4% 1.000 16.1 (6.6) +3% 1.000 6.0 (1.1) 0% 1.000
Orthosis with 6 mm heel skive 284.0 (80.5) -9% 0.499 14.9 (6.8) -4% 1.000 6.0 (1.0) 0% 1.000
  1. * Mean difference is significant at the 0.05 level (Bonferroni adjusted) compared to the unmodified orthosis.