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Lower extremity sagittal-plane internal joint moments over the stance phase of walking: 1%–17% = early stance, 18%–50% = midstance, 51%–83% = terminal stance, and 84%–100% = preswing. Sagittal plane: A, ankle moment; B, knee moment; C, hip moment. Between-groups differences for sagittal plane: D, ankle moment; E, knee moment; F, hip moment. When 95% confidence intervals (shaded gray area) did not cross zero, group values were different.
