External forces on the limbs of jumping lemurs at takeoff and landing
Bibliographic Data
| ID | 8317377 |
|---|---|
| Authors | Brigitte Demes (Stony Brook University, corresponding author), Theresa M Franz (Stony Brook University), Kristian J Carlson (0000-0001-5802-9680, Stony Brook University) |
| Year | 2005 |
| Volume | 128 |
| Issue | 2 |
| Pages | 348-358 |
| Publication date | 2005-10-01 |
| 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.20043 |
| PMID | 15810009 |
| OpenAlex | W1985926710 |
| Language | EN |
| Citations received | 6 |
| References cited | 37 |
Ground reaction forces were recorded for jumps of three individuals each of Lemur catta and Eulemur fulvus. Animals jumped back and forth between a ground-mounted force plate and a 0.5-m elevated platform, covering horizontal distances of 0.5-2 m. In total, 190 takeoffs and 263 landings were collected. Animals typically jumped from a run up and into a run out, during which they gained or into which they carried horizontal impulse. Correspondingly, vertical impulses dominated takeoffs and landings. Peak forces were moderate in magnitude and not much higher than forces reported for quadrupedal gaits. This is in contrast to the forces for standing jumps of specialized leapers that considerably exceed forces associated with quadrupedal gaits. Force magnitudes for the lemur jumps are more comparable to peak forces reported for other quadrupeds performing running jumps. Takeoffs are characterized by higher hindlimb than forelimb peak forces and impulses. L. catta typically landed with the hindlimbs making first contact, and the hindlimb forces and impulses were higher than the forelimb forces and impulses at landing. E. fulvus typically landed with the forelimbs striking first and also bearing the higher forces. This pattern does not fully conform to the paradigm of primate limb force distribution, with higher hindlimb than forelimb forces. However, the absolute highest forces in E. fulvus also occur at the hindlimbs, during acceleration for takeoff
Biology · Classical mechanics · Forelimb · Geodesy · Ground reaction force · Hindlimb · Jumping · Kinematics · Lemur · Lemur catta · Physics · Primate · Quadrupedalism · Takeoff · Aerospace Engineering · Amphibian and Reptile Biology · Anatomy · Engineering · Geology · Paleontology · Primate Behavior and Ecology · Robotic Locomotion and Control
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Variation in the leaping of lemurs
The jump as a fast mode of locomotion in arboreal and terrestrial biotopes
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Locomotor diversity in prosimian primates
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Origins of primate locomotion
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The kinetics of primate quadrupedalism
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| Unique citing works | 6 |
|---|---|
| Citations per year | 0,29 |
| Citation span | 2005 - 2026 (22) |
| Citation velocity | current |
| Highly cited | No |
| Citation types | Neutral: 5 |