From: The effects of prolonged running on foot posture: a repeated measures study of half marathon runners using the foot posture index and navicular height
Parameter
Pre-race
Post-race
Left
Right
Navicular Height (mm)
46.4±6.5
48.4±8.0
42.2±6.6
43.2±4.8
FPI-6
1.8±1.5
1.3±2.2
3.4±2.3
2.1±2.2