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Titolo:
Limb excursion during quadrupedal walking: how do primates compare to other mammals?
Autore:
Larson, SG; Schmitt, D; Lemelin, P; Hamrick, M;
Indirizzi:
SUNY Stony Brook, Dept Anat Sci, Stony Brook, NY 11794 USA SUNY Stony Brook Stony Brook NY USA 11794 Sci, Stony Brook, NY 11794 USA Duke Univ, Med Ctr, Dept Biol Anthropol & Anat, Durham, NC 27710 USA Duke Univ Durham NC USA 27710 Biol Anthropol & Anat, Durham, NC 27710 USA Kent State Univ, Dept Anthropol, Kent, OH 44242 USA Kent State Univ Kent OH USA 44242 niv, Dept Anthropol, Kent, OH 44242 USA
Titolo Testata:
JOURNAL OF ZOOLOGY
, volume: 255, anno: 2001,
parte:, 3
pagine: 353 - 365
SICI:
0952-8369(200111)255:<353:LEDQWH>2.0.ZU;2-B
Fonte:
ISI
Lingua:
ENG
Soggetto:
BODY SIZE; LOCOMOTION; VERTEBRATES; POSTURE; HORSES; GAIT;
Keywords:
kinematics; biomechanics; forelimb; hindlimb; gait; quadrupedal primates;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
51
Recensione:
Indirizzi per estratti:
Indirizzo: Larson, SG SUNY Stony Brook, Dept Anat Sci, Stony Brook, NY 11794 USA SUNYStony Brook Stony Brook NY USA 11794 Brook, NY 11794 USA
Citazione:
S.G. Larson et al., "Limb excursion during quadrupedal walking: how do primates compare to other mammals?", J ZOOL, 255, 2001, pp. 353-365

Abstract

Primate quadrupeds are said to use relatively large limb excursions for mammals of their body size. Until recently, this claim was based on a comparison of hindlimb excursion data derived from small samples of primates and non-primates. Using video recordings collected at zoos and primate research centres, the present study documents this contrast on much wider samples ofquadrupedal mammals. The results indicate that while on average hindlimb excursion is relatively larger in quadrupedal primates, this contrast is somewhat less dramatic than first reports suggested., Comparisons between the data reported here and previously collected forelimb excursion data reveal a surprising asymmetry between the fore- and hind excursions for most mammalian species. Most commonly, forelimb excursion exceeds that of the hindlimb. We suggest that this is related to a complementary asymmetry in limb length (forelimbs shorter than hind) for the purpose of achieving equal step lengths for both pairs of limbs. Relatively large hindlimb excursions in primates have been related to a mechanism that reduces stresses on the forelimbs and then recovers mechanical energy during gait. We suggest that large excursions of both the fore- and hindlimbs are linked to other alterations in gait parameters, such as step length, contact time, and limb compliance, that have been adopted in quadrupedal primates to facilitate locomotion along slender arboreal substrates.

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Documento generato il 19/01/20 alle ore 11:41:37