Table 1. Characteristics of the study participants (N=21)

Characteristics	Mean (SD)
Gender	Male:13, Female: 8
Age (year)	25.3 (3.7)
Height (cm)	166.0 (4.9)
Weight (kg)	65.2 (8.8)
Gait speed (m/s)	GSI: 1.37 (0.32), PIO: 1.35 (0.40), 3DPIO: 1.38 (0.43)
Step length (cm)	GSI: 126.74 (10.18), PIO: 121.09 (9.55), 3DPIO: 127.00 (10.23)
Step width (cm)	GSI: 11.04 (2.77), PIO: 11.61 (3.61), 3DPIO: 11.52 (2.30)

SD: standard deviation; GSI: general shoe insole; PIO: prefabricated insole orthosis; 3DPIO: 3D-printed insole orthosis.