Bone mass in Guamanian patients with amyotrophic lateral sclerosis and parkinsonism-dementia.

abstract：:This paper describes the development of a knuckle walking mode of locomotion by a free-living yellow baboon (Papio cynocephalus). Some implications of this occurrence for theories of the evolution of knuckle walking are discussed. ...

journal_title：American journal of physical anthropology

authors： Hausfater G

更新日期：1975-09-01 00:00:00

abstract：:This study tests the hypothesis that optimum birthweight for survival is lower among hospital-born infants in Puno, Peru (altitude 3860 m) than that among their counterparts at low altitude in Tacna, Peru (altitude 600 m). The data are derived from hospital birth records for 1971 and 1972 and municipal death records f...

journal_title：American journal of physical anthropology

authors： Beall CM

更新日期：1981-11-01 00:00:00

abstract：:Form can be viewed as a combination of size and shape. Shape refers to the boundary outline independently from its orientation, relation to reference planes, and dimension (or size). Shape and its changes could be quantified by mathematical methods such as the Fourier series. In this investigation, Fourier analysis ha...

journal_title：American journal of physical anthropology

authors： Ferrario VF,Sforza C,Tartaglia GM,Colombo A,Serrao G

更新日期：1999-03-01 00:00:00

abstract：:In placental mammals, pregnancy usually is associated with an increase in maternal androgens, which may significantly impact fetal growth and differentiation, and affect postnatal development and behavior. Owing to their slow life histories and challenging social conditions, determination of maternal androgens and pot...

journal_title：American journal of physical anthropology

authors： Fürtbauer I,Heistermann M,Schülke O,Ostner J

更新日期：2012-02-01 00:00:00

abstract：OBJECTIVES:We investigate whether age profiles of Tsimane forager-horticulturalists' reported skill development are consistent with predictions derived from life history theory about the timing of productivity and reproduction. Previous studies of forager skill development have often focused on a few abilities (e.g. hu...

journal_title：American journal of physical anthropology

authors： Schniter E,Gurven M,Kaplan HS,Wilcox NT,Hooper PL

更新日期：2015-09-01 00:00:00

abstract：:In the present study the frequency of the simian crease among 57 Down patients is compared to the corresponding figures of related and unrelated individuals. A study of the correlation with the dermatoglyphic patterns of the thenar and hypothenar areas is presented, the palm print classification being carried out acco...

journal_title：American journal of physical anthropology

authors： Rignell A

更新日期：1987-03-01 00:00:00

abstract：:We documented the spacing and distribution of perikymata on the buccal enamel surface of fossil hominin anterior teeth with reference to a sample of modern human and modern great ape teeth. A sample of 27 anterior teeth attributed to Australopithecus (5 to A. afarensis, 22 to A. africanus) and of 33 attributed to Para...

journal_title：American journal of physical anthropology

authors： Dean MC,Reid DJ

更新日期：2001-11-01 00:00:00

abstract：:At least 29 species of fossil primates have been referred to fruit, nectar, and/or exudate feeding dietary niches. Many studies have detailed the morphological correlates of fruit feeding in comparison to insectivory and folivory. In contrast, few studies have sought to differentiate the morphological correlates of fr...

journal_title：American journal of physical anthropology

authors： Dumont ER

更新日期：1997-02-01 00:00:00

abstract：:Weight, stature, arm circumference, and the triceps skinfold were measured in 1,410 school children, 6 through 14 years of age, from two urban colonias in the city of Oaxaca de Juarez (n = 479), and from two rural Ladino (n = 467) and two rural Zapotec (n = 464) communities in the Valley of Oaxaca in southern Mexico. ...

journal_title：American journal of physical anthropology

authors： Malina RM,Himes JH,Stepick CD,Lopez FG,Buschang PH

更新日期：1981-03-01 00:00:00

abstract：OBJECTIVES:Little research exists documenting levels of intestinal inflammation among indigenous populations where exposure to macroparasites, like soil-transmitted helminths (STHs), is common. Reduced STH exposure is hypothesized to contribute to increased prevalence of elevated intestinal inflammation in wealthy nati...

journal_title：American journal of physical anthropology

authors： Cepon-Robins TJ,Gildner TE,Schrock J,Eick G,Bedbury A,Liebert MA,Urlacher SS,Madimenos FC,Harrington CJ,Amir D,Bribiescas RG,Sugiyama LS,Snodgrass JJ

更新日期：2019-09-01 00:00:00

abstract：:This study uses data resampling to test the null hypothesis that the degree of variation in the cranial capacity of the Dmanisi hominid sample is within the range variation of a single species. The statistical significance of the variation in the Dmanisi sample is examined using simulated distributions based on compar...

journal_title：American journal of physical anthropology

authors： Lee SH

更新日期：2005-07-01 00:00:00

abstract：:Chimpanzees show cultural differences among populations across Africa but also between neighboring communities. The extent of these differences among neighbors, however, remains largely unknown. Comparing three neighboring chimpanzee community in the Taï National Park, Côte d'Ivoire, we found 27 putative cultural trai...

journal_title：American journal of physical anthropology

authors： Luncz LV,Boesch C

更新日期：2015-01-01 00:00:00

abstract：:On the basis of new examination of ancient DNA and craniometric analyses, Neolithic dispersal in Central Europe has been recently explained as reflecting colonization or at least a major influx of near eastern farmers. Given the fact that Neolithic dispersal in Central Europe was very rapid and extended into a large a...

journal_title：American journal of physical anthropology

authors： Galeta P,Sládek V,Sosna D,Bruzek J

更新日期：2011-09-01 00:00:00

abstract：:Mexican Americans are a numerous and fast growing ethnic population in the United States. Yet little is known about their genetic structure. Since they are a hybrid, it is of interest to identify their parental populations and to estimate the relative contributions of these groups. This information is relevant to hist...

journal_title：American journal of physical anthropology

authors： Long JC,Williams RC,McAuley JE,Medis R,Partel R,Tregellas WM,South SF,Rea AE,McCormick SB,Iwaniec U

更新日期：1991-02-01 00:00:00

abstract：:The skull is distinguished from other parts of the skeleton by its composite construction. The sutures between bony elements provide for interstitial growth of the cranium, but at the same time they alter the transmission of stress and strain through the skull. Strain gages were bonded to the frontal and parietal bone...

journal_title：American journal of physical anthropology

authors： Herring SW,Teng S

更新日期：2000-08-01 00:00:00

abstract：:This article examines the curvature of the manual proximal and middle phalanges of species belonging to Pan, Gorilla, Ateles, Macaca, Pongo, Hylobates, and Cebus to determine whether middle phalangeal curvature, when considered in conjunction with proximal phalangeal curvature, yields a locomotor signal. Prior studies...

journal_title：American journal of physical anthropology

authors： Matarazzo S

更新日期：2008-01-01 00:00:00

abstract：:This article examines social and environmental influences on the development of hypertension in a sample of 568 adults (290 men; 278 women) aged 20 years and older from Dakar, Senegal. We test the hypothesis that more recent immigrants to the city of Dakar will have lower blood pressure and lower rates of hypertension...

journal_title：American journal of physical anthropology

authors： Duboz P,Macia E,Chapuis-Lucciani N,Boëtsch G,Gueye L

更新日期：2012-10-01 00:00:00

abstract：:Compared to most quadrupedal mammals, humans are energetically inefficient when running at high speeds. This fact can be taken to mean that human dipedalism evolved for reasons other than to reduce relative energy cost durding locomotion. Recalculation of the energy expending expended during human walking at normal sp...

journal_title：American journal of physical anthropology

authors： Rodman PS,McHenry HM

更新日期：1980-01-01 00:00:00

abstract：OBJECTIVES:To describe the physical growth of healthy children under 7 years in China based on the latest national survey and provide more data for revising growth reference and monitoring the impact of social development on children's health and growth. METHODS:In the cross-sectional survey, 161,774 healthy children ...

journal_title：American journal of physical anthropology

authors： Zhang YQ,Li H,Wu HH,Zong XN,Zhu ZH,Pan Y,Li J,Zheng XR,Wei M,Tong ML,Zhou AF,Hu Y,Chen W,Zhu K,Yu Y

更新日期：2017-07-01 00:00:00

abstract：OBJECTIVES:Modern humans diverge from other extant hominids (chimpanzees, gorillas, and orangutans) in a series of craniofacial morphological features. Like hylobatids, they possess a face with a reduced subnasal prognathism that is associated with a globular basicranium. These traits are not independent, as the skull ...

journal_title：American journal of physical anthropology

authors： Neaux D

更新日期：2017-04-01 00:00:00

abstract：:The size of the permanent human canine tooth is one of the few sexually dimorphic features to be present in childhood and as such offers the opportunity to assist in the identification of sex in remains where no other appropriate criteria exist, such as in subadults. However, canine odontometrics are often associated ...

journal_title：American journal of physical anthropology

authors： Hassett B

更新日期：2011-11-01 00:00:00

abstract：:Teilhardina belgica is one of the earliest fossil primates ever recovered and the oldest fossil primate from Europe. As such, this taxon has often been hypothesized as a basal tarsiiform on the basis of its primitive dental formula with four premolars and a simplified molar cusp pattern. Until recently [see Rose et al...

journal_title：American journal of physical anthropology

authors： Gebo DL,Smith R,Dagosto M,Smith T

更新日期：2015-03-01 00:00:00

abstract：:Studies of the impact of post-marital residence patterns on the distribution of genetic variation within populations have returned conflicting results. These studies have generally examined genetic diversity within and between groups with different post-marriage residence patterns. Here, we directly examine Y chromoso...

journal_title：American journal of physical anthropology

authors： Raaum RL,Al-Meeri A,Mulligan CJ

更新日期：2013-04-01 00:00:00

abstract：:The Miles method of age estimation relies on molar wear to estimate age and is widely used in bioarcheological contexts. However, because the method requires physical seriation and a sample of subadults to estimate wear rates it cannot be applied to many samples. Here, we modify the Miles method by scoring occlusal we...

journal_title：American journal of physical anthropology

authors： Gilmore CC,Grote MN

更新日期：2012-10-01 00:00:00

abstract：:The mean cranial capacities of 50 male and 50 female Zulu crania were found to be 1373.3 +/- 107.4 ml for males and 1251.2 +/- 101.1 ml for females (means +/- SD). The male value resembles that of other Negro groups, while the female value is somewhat higher than the value for Negro crania as a whole. The index of sex...

journal_title：American journal of physical anthropology

authors： Ricklan DE,Tobias PV

更新日期：1986-11-01 00:00:00

abstract：AIMS AND OBJECTIVES:The transition to an agricultural economy is often presumed to involve an increase in female fertility related to changes in weaning practice. In particular, the availability of staple crops as complementary foods is hypothesized to allow earlier weaning in agricultural populations. In this study, o...

journal_title：American journal of physical anthropology

authors： King CL,Halcrow SE,Millard AR,Gröcke DR,Standen VG,Portilla M,Arriaza BT

更新日期：2018-05-01 00:00:00

abstract：:We investigated the energetic costs of quadrupedal and bipedal walking in two Japanese macaques. The subjects were engaged in traditional bipedal performance for years, and are extremely adept bipeds. The experiment was conducted in an airtight chamber with a gas analyzer. The subjects walked quadrupedally and bipedal...

journal_title：American journal of physical anthropology

authors： Nakatsukasa M,Ogihara N,Hamada Y,Goto Y,Yamada M,Hirakawa T,Hirasaki E

更新日期：2004-07-01 00:00:00

abstract：:A suite of measurements was collected from the talus, calcaneus, navicular, and cuboid of humans from Southern China, Victorian Britain, Roman Britain, and Zulu tribes people from the Republic of South Africa. Univariate and multivariate statistical analyses of dimensions of individual foot bones revealed subtle but d...

journal_title：American journal of physical anthropology

authors： Kidd RS,Oxnard CE

更新日期：2002-02-01 00:00:00

abstract：:The history of discovery and interpretation of primate footprints at the site of Laetoli in northern Tanzania is reviewed. An analysis of the geological context of these tracks is provided. The hominid tracks in Tuff 7 at Site G in the Garusi River Valley demonstrate bipedality at a mid-Pliocene datum. Comparison of t...

journal_title：American journal of physical anthropology

authors： White TD,Suwa G

更新日期：1987-04-01 00:00:00

abstract：:The Warao Indian village of Jobure has two modes for height within its adult male population. One mode is at 158 cm and the second occurs at 169 cm. Mean height for adult males and females for this village is significantly higher (alpha less than or equal to 0.05) than for the other Warao villages studied. Examination...

journal_title：American journal of physical anthropology

authors： Fleischman ML

更新日期：1980-09-01 00:00:00