Table 1.
Basic physical properties of studied insoles.
| Sample (2-layer insole) | Thickness (initial) (mm) | Thickness under 50 kPa (mm) | Thickness under 150 kPa (mm) | Thickness under 200 kPa (mm) | Density (g/cm3) | Hardness |
|---|---|---|---|---|---|---|
| A | 8.20 | 8.20 | 8.18 | 8.16 | 0.35 | Rigid 58 shore A |
| B | 8.00 | 7.95 | 7.88 | 7.79 | 0.16 | Rigid 30 shore A |
| C | 6.20 | 6.01 | 5.48 | 5.04 | 0.23 | Soft 25 shore A |
| D | 6.05 | 5.71 | 4.58 | 3.51 | 0.20 | Soft 18 shore A |
| E | 8.20 | 7.05 | 5.53 | 4.48 |
A—Nora Lunalight A fresh; B—Pe-Lite; C—Nora Lunalastik EVA; D—PORON medical 4708; and E—Langer Biomechanics longitudinal PPT arch pads.