Stand and shuffle
When does it make energetic sense
Bibliographic Data
| ID | 8317457 |
|---|---|
| Authors | Adam D Sylvester (0000-0002-5234-074X, University of Tennessee at Knoxville), P A Kramer (0000-0002-6435-9130, University of Washington, corresponding author) |
| Year | 2008 |
| Volume | 135 |
| Issue | 4 |
| Pages | 484-488 |
| Publication date | 2008-04-01 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | American Journal of Physical Anthropology (JOURNAL) |
| Journal identifiers | ISSN: 0002-9483 • E-ISSN: 1096-8644 |
| Publisher | Wiley (PUBLISHER • GB) |
| DOI | 10.1002/ajpa.20752 |
| PMID | 18000893 |
| OpenAlex | W1992136749 |
| Language | EN |
| References cited | 29 |
Many reasons for the emergence of bipedalism have been proposed, including postural arguments which highlight that a sub‐optimal form of bipedalism (“shuffling”) might have been used by protohominids to cover short distances between resources that require bipedal standing. Bipedal shuffling may have been employed because it avoids the cost of raising the trunk from the quadrupedal orientation, which we assume is the habitual locomotor stance of protohominids. To date, these postural proposals have not been analytically assessed, a lack we rectify herein. Our model seeks to specify a threshold distance, below which bipedal shuffling uses less energy than quadrupedalism. Parameters for the model include the mechanical cost of transport, the ratio of bipedal to quadrupedal cost, and the cost associated with raising the trunk. We found that, using reasonable model parameters, open distances of ∼9–16 m support the use of bipedal shuffling. Protohominids may have used shuffling as an energetically effective way to traverse between resource patches. Am J Phys Anthropol, 2008. © 2007 Wiley‐Liss, Inc
Biology · Bipedalism · Geography · Geometry · Quadrupedalism · Raising (metalworking) · Shuffling · Traverse · Anatomy · Computer Science · Evolution and Paleontology Studies · Mathematics · Primate Behavior and Ecology · Wildlife-Road Interactions and Conservation
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| Citation velocity | historical |
|---|---|
| Highly cited | No |