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Key temporal-spatial, kinematic, muscle activation, kinetic, and cardiometabolic responses to progressive body weight support on an antigravity treadmill. BF, biceps femoris; COG, center of gravity; GAS, gastrocnemius; GRF, ground reaction force; RF, rectus femoris; TA, tibialis anterior; VL, vastus lateralis; SOL, soleus; VE, minute ventilation; VM, vastus medialis; VO2, rate of oxygen consumption.
