From: Classification of the height and flexibility of the medial longitudinal arch of the foot
Maximum values n = 254 | |||||
---|---|---|---|---|---|
Test | Severely low arch | Low arch | Normal | High arch | Severely high arch |
NH (cm) | < 2.7 | 2.7 to 3.5 | 3.6 to 5.5 | 5.6 to 6.4 | > 6.4 |
FL (cm) | < -3.3 | -3.3 to -2.5 | -2.6 to -1.2 | -1.3 to -0.4 | > -0.4 |
LAA (°) | < 121 | 121 to 130 | 131 to 152 | 153 to 162 | > 162 |
Range of motion values n = 254 | |||||
Test | Very flexible | Flexible | Normal | Rigid | Very rigid |
ND (cm) | > 2.3 | 2.3 to 1.8 | 1.8 to 0.6 | 0.6 to 0.0 | < 0.0 |
FL (cm) | > 1.3 | 1.3 to 0.9 | 0.9 to -0.1 | -0.1 to -0.6 | < -0.6 |
LAA (°) | > 19 | 19 to 13 | 13 to -1 | -1 to -7 | < -7 |