Fig. 2From: Effect of wearing medical protective masks on treadmill running performance in the postpandemic era: a randomised trialMean (SD) hip, knee, and ankle joint angle changes for treadmill running over time. “*” Statistically significant main effect of joint angles from 0–1 min to 14–15 min (P < 0.05). “#” Indicates a significant difference from 0–1 min (P < 0.05). Average Maximum Flexion (Max-Flx); Average Maximum Extension (Max-Ext); Average Minimum Flexion (Min-Flx); Average Maximum Dorsiflexion (Max-Dor); Average Maximum Plantarflexion (Max-Pla)Back to article page