Biomechanic and Energetic Effects of a Quasi-Passive Artificial Gastrocnemius on Transtibial Amputee Gait

Table 4

Net work per step by the powered ankle-foot prosthesis with the AG. The net work values were kept within the literature range of 0.045 to 0.16 J/kg.

	Baseline (J/kg)	Active (J/kg)
Subject 1	0.113 0.028	0.130 0.024
Subject 2	0.077 0.016	0.082 0.019