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Table 1 Peak joint angles (M ± SD, degrees) exhibited during each walking condition

From: Outdoor walking exhibits peak ankle and knee flexion differences compared to fixed and adaptive-speed treadmills in older adults

Peak joint angle Adaptive-speed treadmill Fixed-speed treadmill Outdoor walking
Ankle plantarflexion (n = 14) 16.4 ± 9.5 15.5 ± 9.6 24.2 ± 8.4
Knee flexion (n = 14) 59.1 ± 4.7 59.0 ± 5.0 56.6 ± 4.7
Hip flexion (n = 14) 16.8 ± 5.2 15.4 ± 4.3 17.6 ± 5.7