Taylor C R, Rowntree V J
Science. 1973 Jan 12;179(4069):186-7. doi: 10.1126/science.179.4069.186.
Disagreement exists over whether man's bipedal form of locomotion evolved as an economical means for covering long distances. There is also some disagreement about the energetic price man had to pay to free his hands. In an investigation of the relative energetic cost of bipedal and quadrupedal locomotion in primates, chimpanzees (Pan troglodytes) and capuchin monkeys (Cebus capucinus) were trained to run on a treadmill either on two or on four legs while their oxygen consumption was being measured. Both primates expend the same amount of energy whether running on two or on four legs. The relative energy cost of bipedal versus quadrupedal running should not be used in arguments about the evolution of bipedal locomotion in man.
关于人类两足行走的运动形式是否作为一种长途行走的经济方式而进化，存在着分歧。对于人类为解放双手而必须付出的能量代价，也存在一些分歧。在一项关于灵长类动物两足和四足运动相对能量消耗的研究中，黑猩猩（Pan troglodytes）和卷尾猴（Cebus capucinus）被训练在跑步机上用两条腿或四条腿跑步，同时测量它们的耗氧量。这两种灵长类动物无论用两条腿还是四条腿跑步，消耗的能量都相同。两足与四足跑步的相对能量消耗不应被用于关于人类两足行走进化的争论中。
