Figure 2From: The effects of prosthetic foot type and visual alteration on postural steadiness in below-knee amputees Overall (OSI), anterior-posterior (APSI) and medial-lateral (MLSI) stability indexes score in mean (± standard error) between prosthetic foot types during eyes-opened and eyes-closed conditions. The asterisk sign indicates statistically significant differences (p < 0.05) between APSI and MLSI within the same visual condition.Back to article page