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Table 1 Effect of added inertia during walking

From: The effect of directional inertias added to pelvis and ankle on gait

Quantity Effect of 25% body mass added to the trunk Effect of mass added to the foot 4 kg
Metabolic rate +18% [9] +36% @ 4 kg at foot [12]
+8.2% @2.8 kg at proximal shank [13]
Muscle activity +21% Soleus [10] ~0 [13]
Gait parameters ~0 [11] – 3% [10] +2% swing time
+1% Stride time
@2.8 kg at proximal shank [13]
Gait kinematics Unknown Unknown