4.5 Article

Postural control in the elephant

期刊

JOURNAL OF EXPERIMENTAL BIOLOGY
卷 224, 期 22, 页码 -

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COMPANY BIOLOGISTS LTD
DOI: 10.1242/jeb.243648

关键词

Balance; Scaling; Multisensory interactions; Sensorimotor and inertial delay; Centre of pressure

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资金

  1. Belgian Fonds National de la Recherche Scientifique (FNRS)
  2. Belgian Fonds Spe'cial de Recherche (FSR)
  3. Italian Ministry of Health (Ricerca corrente, IRCCS Fondazione Santa Lucia)

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Elephants, as the largest legged animals, face challenges for stable standing but their postural oscillations are comparable to those of smaller animals like dogs and other species, suggesting that some aspects of sensorimotor postural control are not dependent on size.
As the largest extant legged animals, elephants arguably face the most extreme challenge for stable standing. In this study, we investigated the displacement of the centre of pressure of 12 elephants during quiet standing. We found that the average amplitude of the oscillations in the lateral and fore-aft directions was less than 1.5 cm. Such amplitudes for postural oscillation are comparable with those of dogs and other species, suggesting that some aspects of sensorimotor postural control do not scale with size.

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