The Contribution of Upper Body Movements to Dynamic Balance Regulation during Challenged Locomotion.

The ANOVA of the average torque amplitudes of the “ankle,” “hip,” and “upper body” joint groups, revealed highly significant, medium to large main effects ( p < 0.0001) for all three factors ‘beam width’, ‘arm posture’, and ‘joint group’, as well as highly significant ( p < 0.01), small to large interaction effects between these factors (Table 3 ).

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