From: The effect of customised and sham foot orthoses on plantar pressures
Medial heel | |||||||||
---|---|---|---|---|---|---|---|---|---|
 | Peak pressure (kPa) | Maximum force (%BW) | Contact area (cm2) | ||||||
Insert | Mean (SD) | % change | p-value | Mean (SD) | % change | p-value | Mean (SD) | % change | p-value |
Shoe only (control) | 220.8 (54.0) | n/a | n/a | 38.6 (6.9) | n/a | n/a | 19.7 (1.8) | n/a | n/a |
Customised foot orthosis | 190.8 (37.2) | −14%*^ | <0.001 | 36.8 (6.4) | −5% | 0.072 | 20.0 (1.7) | +2% | 0.292 |
Contoured polyethylene | 211.5 (46.8) | −4%#†+ | 0.237 | 36.9 (6.3) | −4% | 0.132 | 19.7 (1.7) | 0% | 1.000 |
Contoured EVA | 192.8 (45.2) | −13%*^ | <0.001 | 35.6 (6.4) | −8%* | <0.001 | 19.9 (1.7) | +1% | 0.229 |
Flat EVA | 198.8 (42.9) | −10%*^ | <0.001 | 36.7 (6.7) | −5%* | 0.008 | 19.9 (1.7) | +1% | 0.229 |
Lateral heel | |||||||||
 | Peak pressure (kPa) | Maximum force (%BW) | Contact area (cm 2 ) | ||||||
Insert | Mean (SD) | % change | p -value | Mean (SD) | % change | p -value | Mean (SD) | % change | p -value |
Shoe only (control) | 221.2 (53.9) | n/a | n/a | 38.3 (7.1) | n/a | n/a | 19.4 (1.9) | n/a | n/a |
Customised foot orthosis | 206.4 (44.6) | −7% | 0.444 | 41.1 (7.1) | +7%*+ | 0.015 | 19.6 (1.8) | +1% | 0.455 |
Contoured polyethylene | 216.0 (45.6) | −2%†+ | 1.000 | 40.0 (6.8) | +4%+ | 0.166 | 19.6 (1.8) | +1% | 0.455 |
Contoured EVA | 197.6 (41.4) | −11%*^ | <0.001 | 38.0 (5.9) | −1%#^ | 1.000 | 19.5 (1.8) | +1% | 1.000 |
Flat EVA | 201.8 (42.7) | −9%*^ | <0.001 | 39.4 (7.1) | +3% | 0.745 | 19.6 (1.8) | +1% | 0.865 |