Body weight support provided by a harness system around the torso results in greater leg muscle activity (EMG) compared to support provided by the arms.

Scientific Article about the locomotor principles of walking and the use of gait-training devices.
Spiess M, Steenbrink F, Esquenazi A "Getting the Best Out of Advanced Rehabilitation Technology for the Lower Limbs: Minding Motor Learning Principles" 2018
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