| | Author | Description of the system, weight of the volunteer, and walking speed | Weight of the prosthesis/system |
| |
Martinez-Villalpando and Herr, 2009 [6] | Volunteer mass = 97 kg and walking speed = 0.81 m/s. | ≈3 kg, including the weight of lost segments, titanium, aluminum, and polyamide materials. |
| | Kapti and Yucenur, 2006 [37] | Titanium, aluminum, and polyamide materials were used.
Volunteer mass and walking speed were not mentioned. | 6.9 kg. |
| | Sup et al., 2007 [41] | A tethered transfemoral prosthesis with pyramid connectors.
Volunteer mass = 75 kg and walking speed = 0.675 m/s. | 2.65 kg. |
| | Sup et al., 2008 [43] | Volunteer mass = 85 kg and walking speed = slow, normal, and fast (2.2, 2.8, and 3.4 km/hr), respectively. | 3.8 kg. |
| | Fite et al., 2007 [40] | Volunteer mass = 85 kg and walking speed = 0.675 m/s. | 3.05 kg, including the foot and pyramid connectors of the tethered transfemoral prosthesis. |
| | Torrealba et al., 2010 [56] | Volunteer mass = not mentioned and walking speed = self-selected speed. | 2.0591 kg. |
| | Sup et al., 2009 [39] | Volunteer mass = 80 kg and walking speed = 5.1 km/h. | 4.2 kg, the whole prosthetic knee system including sensors, actuators, and electronics. |
| | Gong et al., 2010 [44] | Volunteer mass = 62 kg, walking speed = slow, normal, and fast (0.66, 0.74, and 1.21 m/s), respectively. | Not mentioned. |
| | Geng et al., 2010 [9] | Volunteer mass = 62 kg, walking speed = slow, normal, and fast of average values (1, 1.19, and 1.48 m/s), respectively. | Not mentioned. |
| |
Wu et al., 2011 [17] | Volunteer mass = 83 kg, stair ascent. | 3.5 kg, including electronics and batteries. |
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