Comment on "Origin of human bipedalism as an adaptation for locomotion on flexible branches".
editorial · Level V
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Abstract
Thorpe et al. (Reports, 1 June 2007, p. 1328) concluded that human bipedalism evolved from a type of bipedal posture they observed in extant orangutans with seemingly human-like extended knees. However, humans share knuckle-walking characters with African apes that are absent in orangutans. These are most parsimoniously explained by positing a knuckle-walking precursor to human bipedalism.
Medical subject headings
- Biological Evolution
- Pongo pygmaeus
- Walking