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Full-Text Articles in Biological and Physical Anthropology

Beyond The Surface: Understanding The “Blurred Lines” Of Sexual Dynamics And Consent In Trinity College's Hookup Scene, Zoe Kon May 2024

Beyond The Surface: Understanding The “Blurred Lines” Of Sexual Dynamics And Consent In Trinity College's Hookup Scene, Zoe Kon

Senior Theses and Projects

This thesis explores the complex interplay of sexual behaviors, consent, and campus culture at Trinity College through qualitative ethnographic research. Delving into the nuances of hookup culture, a prevalent social phenomenon, the research examines how it often blurs the boundaries between consensual and non-consensual sexual interactions. Thirty in-depth interviews with Trinity College students reveal the intricate dynamics of consent communication and understanding within this context. The findings highlight significant gaps in students' communication about boundaries and consent, driven by the pressures of social capital and the normalization of alcohol-fueled encounters. The theme of blurred lines emerges as a central issue, …

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Evaluating Neanderthal Depopulation With Direct Neanderthal And Châtelperronian Radiocarbon Data, Thomas K. Lyman May 2024

Evaluating Neanderthal Depopulation With Direct Neanderthal And Châtelperronian Radiocarbon Data, Thomas K. Lyman

Honors Thesis

Homo sapiens neanderthalensis (Neanderthals) inhabited Eurasia approximately 350,000 years ago before experiencing population decline and disappearing from the archaeological record around 40,000 years ago (Yaworsky et al. 1). Radiocarbon dating has played a major role in establishing the timing of the last Neanderthals by both dating their skeletal remains and animal bones associated with their material culture. Widely discussed in the context of the last Neanderthals are the Châtelperronian stratigraphic layers as they possibly contain the last of Neanderthal material culture in regions of France and Spain. Whether the Châtelperronian should be attributed to Neanderthals or Anatomically Modern Humans (AMHs) …

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Lucy Through The Years -- Temporal Trends In The Australopithecus Dentition, Olivia Ervin May 2024

Lucy Through The Years -- Temporal Trends In The Australopithecus Dentition, Olivia Ervin

Anthropology Undergraduate Honors Theses

Australopithecus afarensis, an extinct human ancestor (ca. 3.75 – 2.95 million years ago) first distinguished in 1978, has a dense fossil record. Until recently, A. afarensis fossils were primarily known from two locations, Laetoli, Tanzania, and Hadar, Ethiopia, that are approximately 1750 kilometers apart. Additionally, there is no temporal overlap between the sites; fossils from Laetoli are older than 3.5 Ma and those from Hadar stretch from 3.4 – 3.0 Ma. For some tooth positions, the Laetoli and Hadar fossils subtly differ in size and shape. Previous research indicated that some of these differences could be attributable to evolutionary change, …

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Chromosome 7 Microdeletions: A Literature Review, Catherine Davi May 2024

Chromosome 7 Microdeletions: A Literature Review, Catherine Davi

ALL - Honors Theses

Microdeletions, deletions of part of a chromosome that are too small to be detected by light microscopy using conventional cytogenetic methods, have become a hot topic for geneticists over the past decade or so. Occurring in around one in every 4000 live births, some of these microdeletions do not allow for a viable offspring, while others have distinctive developmental consequences. Many of the genes on chromosome 7 play a large role in the early development of the head, face, and limbs and more generally on cell growth and division (Bethesda 2022). This research study reviews known microdeletions on the seventh …

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Bioarchaeological Knowledge Mobilization And The Museum As Knowledge Broker, Teegan Muggridge Apr 2024

Bioarchaeological Knowledge Mobilization And The Museum As Knowledge Broker, Teegan Muggridge

Electronic Thesis and Dissertation Repository

Knowledge mobilization – the process of creating, disseminating, and using knowledge to generate real-world value and impact – is essential in research. The highly contextual nature of human remains poses unique challenges for successful bioarchaeological knowledge mobilization, requiring these projects to address historico-cultural, sociopolitical, and ethical contexts in order to mobilize knowledge in a way that is both accurate and appropriate for diverse communities. This thesis considers the way that museums, as places of community heritage and engagement, may serve as knowledge brokers, facilitating meaningful interactions between researchers and the wider public. Exploring museum professional perspectives in conjunction with an …

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Limb Stiffness Increases With Hopping Frequency And Sprinting Speed In Elite Sprinters, Laurent Dorvilier Apr 2024

Limb Stiffness Increases With Hopping Frequency And Sprinting Speed In Elite Sprinters, Laurent Dorvilier

ALL - Honors Theses

During sprinting and hopping, the lower limbs act as a mechanical spring as it compresses and recoils to store and release elastic potential energy during each step. This is important because for individuals such as high performing sprinters, the stiffer the spring acting limb is, the more efficient it will be for the sprinter to maintain maximal velocity and optimal performance. The basis of this experiment lies in the fact that the mechanics of the lower limbs are modeled using to the mechanics of a spring, therefore, to calculate an approximate limb stiffness, Hooke’s Law can be used. Hooke’s Law …

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The Impacts Of Environment And Host Evolutionary Relationships On Lemur Microbiota, Rachel B. Burten Mar 2024

The Impacts Of Environment And Host Evolutionary Relationships On Lemur Microbiota, Rachel B. Burten

Doctoral Dissertations

Recent studies have shown that the mammal microbiome is modified by environmental conditions, and that reduced microbiome functionality is associated with host health issues. Microbiome data in wild and captive primate populations can therefore be used to assess their health as they encounter a variety of environments. Comparative studies of the microbiome can also inform disease ecology, conservation, and captive management strategies tailored to different primate species. Therefore, this study examines how the hair, oral, and gut microbiota of nine wild and captive lemur species are determined by host phylogenetic relationships and host environment. I found that host species identity …

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Stable Carbon And Nitrogen Isotope Analysis Of Infant Feeding Practices And Stress In 18th-19th Century Pointe-Aux-Trembles, Québec, Sydney Holland Jan 2024

Stable Carbon And Nitrogen Isotope Analysis Of Infant Feeding Practices And Stress In 18th-19th Century Pointe-Aux-Trembles, Québec, Sydney Holland

Electronic Thesis and Dissertation Repository

This thesis is a bioarchaeological study of infant feeding practices and early life stress in 18th -19th century Pointe-aux-Trembles, a rural community near Montréal, Québec that was known to practice wet nursing. Stable carbon and nitrogen isotope analyses of 62 incremental dentine samples were used to reconstruct the feeding histories of 10 infants (age) interred between 1709-1843. At least 6 of 10 infants display evidence of breastfeeding, with weaning foods (e.g., porridge, bread) typically introduced between ~1.5-5.5 months of age and weaning completion around 10.5-13.5 months. Isotopic and/or dental evidence of stress (e.g., enamel hypoplasia) was identified in 8 of …

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Peoples Of India: The Use Of Craniometric Data To Distinguish A Separate Ancestral Group, Stephanie A. Craig Jan 2024

Peoples Of India: The Use Of Craniometric Data To Distinguish A Separate Ancestral Group, Stephanie A. Craig

Graduate Student Theses, Dissertations, & Professional Papers

The Peoples of India come from an area with a long history of migrations into and out of the area. This area is considered the second most diverse genetically outside of Africa. Many would group these people as Asian due to the country’s location. However, when studies are done on the skeletal remains from this area, the remains tend to give results of mixed or indeterminate ancestry unless the analyst is familiar with identifying Peoples of India. This study aims to determine the Peoples of India as a separate ancestral group separated from Asians, Europeans, and Africans. To do this, …

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Reimagining The Accuracy Of The Lovejoy Et Al. (1985) Age Estimation Method Of The Auricular Surface Of The Ilium Through Modern Color Photographs, Alyssa L. Edwards Jan 2024

Reimagining The Accuracy Of The Lovejoy Et Al. (1985) Age Estimation Method Of The Auricular Surface Of The Ilium Through Modern Color Photographs, Alyssa L. Edwards

Graduate Student Theses, Dissertations, & Professional Papers

The ability to accurately estimate the age at time-of-death of an individual is crucial in numerous fields, particularly in a biological or forensic context. There are various methods, features, and bones that are utilized for determining the estimated age of an individual. This study dives into the Lovejoy et al. (1985) age estimation method of the auricular surface of the ilium by using the current age phase descriptions against different reference photos. The study tests whether updated color photos, when working collaboratively with the current age phase descriptions, increases the age estimation accuracy when estimating age based on the auricular …

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The Effects Of Diet, Size, And Phylogeny On Primate Dental Proportions, Rudolph J. Wilkins Dec 2023

The Effects Of Diet, Size, And Phylogeny On Primate Dental Proportions, Rudolph J. Wilkins

Graduate Theses and Dissertations

It is generally appreciated that there is a relationship between the relative size of the incisors, mandible length, and diet in primates. More specifically, the differences in relative incisor size among primate species are believed to be evolutionary adaptations to their use during food processing and acquisition. While this satisfactorily explains relatively large incisors, it fails to address the relatively small incisor size seen in many taxa. One hypothesis is that there is a trade-off between molar size and incisor size in species with relatively short mandibles. The following study uses two-way ANOVA to evaluate the possibility that spatial constraint …

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Using Fiber-Optic Reflectance Spectroscopy (Fors) To Identify Human Decomposition Fluid Characteristics In Plant Leaves And Soil, Anielle Duncan Dec 2023

Using Fiber-Optic Reflectance Spectroscopy (Fors) To Identify Human Decomposition Fluid Characteristics In Plant Leaves And Soil, Anielle Duncan

Masters Theses

Anthropologists may be asked by law enforcement or family members to assist in the search for missing deceased individuals. The search areas are often in harsh, rugged terrain for which some technologies, such as ground penetrating radar, cannot be used. Fiber-optic reflectance spectroscopy (FORS) is a portable instrument that can collect information on plants and soil in the surrounding environment, even in austere environments. This study aimed to test whether FORS could be used to identify decomposition fluid in nearby plants and soil in the visible near-infrared (VNIR) and short-wave infrared (SWIR) spectral regions. Using FORS to analyze the spectral …

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Sociocultural And Familial Factors Associated With Symptom Experience At Midlife Among Women In Nagaland, India, Peteneinuo Rulu Nov 2023

Sociocultural And Familial Factors Associated With Symptom Experience At Midlife Among Women In Nagaland, India, Peteneinuo Rulu

Doctoral Dissertations

This cross-sectional study examines the sociocultural and familial factors that are associated with symptom experience at midlife among women in Nagaland. More specifically, the study examines the factors associated with symptoms at midlife, the relationship between symptoms at midlife, household stressors, ethnopolitical problems, and various measures of stress, and the buffering effects of social support against the negative effects of stress on symptoms at midlife. Data from 151 women aged 40-55 were collected from 4 regions in Nagaland, India. The most common symptoms reported during the past two weeks were headaches (72%), tiredness or lack of energy (67.5%), and hot …

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Avian Scavenging In The Forensic Context, Austin Millwood Oct 2023

Avian Scavenging In The Forensic Context, Austin Millwood

Senior Theses

Many cultures have recognized the importance of birds in scavenging. However, within forensic literature and research, avian scavenging is an understudied phenomenon. Despite this, researchers have shown that scavenging by birds is unique from other types of scavenging in that birds can rapidly cause complete skeletonization, leave relatively little bone damage, and can spread remains and artifacts over a large area. Here birds known to scavenge are explained in a biological context and then their effects on remains are analyzed. Birds are capable of completely scavenging human remains in as little as 5 hours, depending on many understudied factors. Avian …

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Head Shapes And Toothaches: A Study Of Cranial Modification And Dental Pathology At Muna, A Late Pre-Hispanic Cemetery From The Archaeological Sanctuary Of Pachacamac (Lima, Perú)., T Naomi Nakahodo Moromizato Sep 2023

Head Shapes And Toothaches: A Study Of Cranial Modification And Dental Pathology At Muna, A Late Pre-Hispanic Cemetery From The Archaeological Sanctuary Of Pachacamac (Lima, Perú)., T Naomi Nakahodo Moromizato

Electronic Thesis and Dissertation Repository

This thesis is a bioarchaeological analysis of cranial modification and dental pathology in a sample of human remains excavated from the pre-Hispanic MUNA cemetery. This cemetery was on the outskirts of the Archaeological Sanctuary of Pachacamac in the Lurín Valley. The cemetery was comprised of disturbed skeletal remains and relatively well preserved fardos funerarios (funerary bundles) from the Late Intermediate Period (1100-1470 CE) and early Late Horizon (1470-1532 CE). The results of this thesis show that the skeletal remains and fardos likely belonged to a single community, and the analyzed sample showed intra-site variation of the fronto-occipital cranial modification. The …

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Shoe Modifications And Foot Health: A Case Study From Roman Britain, Casey Elizabeth Kay Boettinger Aug 2023

Shoe Modifications And Foot Health: A Case Study From Roman Britain, Casey Elizabeth Kay Boettinger

Electronic Thesis and Dissertation Repository

In this thesis, I undertake an examination of foot care practices in Antiquity. The majority of the discussion surrounding foot care comes from evidence of shoe modifications at Vindolanda, a Roman auxiliary fort located in northern Britain. I provide a general discussion about herbal and non-herbal remedies for foot conditions, as recorded by medical authors. This discussion precedes a case study of selected shoes from Vindolanda, where I write about five modification types that demonstrate the sort of knowledge that existed at Vindolanda. The findings from this thesis suggest that podiatric knowledge and foot care existed as early as the …

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Understanding The Environmental And Genetic Influence On Fluctuating Asymmetry And Developmental Instability In Primates, Ashly N. Romero Aug 2023

Understanding The Environmental And Genetic Influence On Fluctuating Asymmetry And Developmental Instability In Primates, Ashly N. Romero

Graduate Theses and Dissertations

This dissertation explored the impact of environmental factors on the development and perpetuation of fluctuating asymmetry (FA) and sought to understand the role evolution may play in the FA exhibited in two primate populations: the free-ranging Cayo Santiago rhesus macaques (Macaca mulatta) and the Southwest National Primate Research Center olive baboons (Papio hamadryas anubis). Demographic, ontogenetic, secular, external, and genetic factors were examined. Specifically, this dissertation investigated FA over all ontogenetic stages, across decades, between sexes, in association with ecological catastrophes, and with tooth pathology to try and tease apart factors that may influence FA and developmental instability. This dissertation …

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Cultural Behaviors And Their Influence On The Proximal Femur: Comparisons Of Postural Behavior, Occupation, And Subsistence-Settlement Between A Pre-Contact And Historic Sample, Joanna Klein Jul 2023

Cultural Behaviors And Their Influence On The Proximal Femur: Comparisons Of Postural Behavior, Occupation, And Subsistence-Settlement Between A Pre-Contact And Historic Sample, Joanna Klein

Master's Theses

Little is known archaeologically about the Late Woodland Schroeder Mounds mortuary group from west-central Illinois. As such, bioarchaeological data is at the forefront of archaeological problem-solving for not only the site, but the geographical area as well. Skeletal data such as proximal femur angles and activity markers contribute to the understanding of subsistence-settlement trends and postural behavior of the mortuary complex. Femoral neck version is associated with postural behaviors such as squatting and kneeling. The neck-shaft angle is linked to mobility and settlement patterns. Bicondylar angle was explored to see if behaviors had any affect. Allen’s fossa and Poirier’s facet …

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Social Tolerance, Cooperation, And Constraint Shape Differentiated Social Relationships In Female Chimpanzees, Stephanie Fox Jun 2023

Social Tolerance, Cooperation, And Constraint Shape Differentiated Social Relationships In Female Chimpanzees, Stephanie Fox

Anthropology ETDs

In this dissertation, I investigate variables that promote and constrain female-female social relationships in chimpanzees, a species where females disperse at sexual maturity, reside primarily among non-kin as adults, and where fission fusion social structure can reveal how female social behavior responds to different social contexts. I conducted my research using a combination of detailed behavioural data that I collected during a one-year field season (2019-2020) and long-term data (2010-2019) collected by the Kibale Chimpanzee Project. I show that female chimpanzees form stable, differentiated social relationships, which reflect active preferences and variation in social tolerance (Chapter 2); females leverage these …

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Reimagining The Inner Ear: A Morphometric Modeling Approach For Establishing Shape Change In The Evolution Of The Human Otolith System, Christopher M. Smith Jun 2023

Reimagining The Inner Ear: A Morphometric Modeling Approach For Establishing Shape Change In The Evolution Of The Human Otolith System, Christopher M. Smith

Dissertations, Theses, and Capstone Projects

Our sense of balance is among the most central of our sensory systems, particularly in the evolution of human positional behavior. The peripheral vestibular system of the inner ear comprises the organs responsible for this sense; the semicircular canals (detecting angular acceleration) and otolith organs (utricle and saccule; detecting linear acceleration, vibration, and head tilt relative to gravity). The vestibular organs are often considered a single system, with most research focusing on the semicircular canals. The otolith organs, by comparison, remain largely unexplored despite their central role in balance. Consequently, this lack of knowledge limits understanding of vestibular functional morphology …

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An Investigation Into Peak Limb Compliance In College Sprinters, Lilian Sahibdeen May 2023

An Investigation Into Peak Limb Compliance In College Sprinters, Lilian Sahibdeen

Anthropology

During running, the limb acts as a mechanical spring where it compresses and recoils to release elastic potential energy with each ground contact. Maintaining maximal running speed is particularly important during sprinting. Individuals with stiffer limb springs are more efficient because of this. Limb stiffness can be calculated using Hooke’s law (k=F/ ΔL), where k is the spring constant, F is the peak ground reaction force, and ΔL is the change in hip height between the initiation of limb contact and the middle stance phase. Many factors contribute to limb stiffness and this study examines how stiffness variers with contact …

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Dental Microwear Of Miocene Primates From The Turkana Basin Of Northern Kenya, Leah K. Myerholtz May 2023

Dental Microwear Of Miocene Primates From The Turkana Basin Of Northern Kenya, Leah K. Myerholtz

Graduate Theses and Dissertations

Comprehending the dietary patterns of Turkana Basin primates from the late Paleogene and early Neogene can contextualize the role of food choice in the evolution of higher primates in Africa. Dental Microwear Texture Analysis (DMTA) quantifies wear on the enamel of a tooth and can be used as a proxy to infer aspects of a taxon’s diet in the past. DMTA can provide insight into what specific animals in the past ate, rather than what they were capable of eating, and by extension, reflect food availability related to habitat preferences or environmental fluctuation. Here, primates from six Oligocene through Pliocene …

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Monitoring Welfare In Captive Chimpanzees (Pan Troglodytes) Using Individual Positional Behavior And Substrate Use Profiles, Joseph Lara May 2023

Monitoring Welfare In Captive Chimpanzees (Pan Troglodytes) Using Individual Positional Behavior And Substrate Use Profiles, Joseph Lara

Theses and Dissertations

The welfare of captive chimpanzees partly depends on the structural features present in their enclosure. An individual’s manner of expressing positional behaviors depends on these environmental characteristics and may be reflective of their physical and mental health. This thesis seeks to further the scientific understanding of the relationships between positional behavior, substrate use and captive chimpanzee welfare. In pursuit of this goal, I designed and installed a novel vertical climbing aid onto a climbable platform structure within an enclosure at the chimpanzee sanctuary, Chimp Haven, in an effort to encourage mobility and vertical space use in the enclosure’s residents. Additionally, …

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The Scaling Method: Body Mass Reconstruction Of East African Hominins, Julianna Rose May 2023

The Scaling Method: Body Mass Reconstruction Of East African Hominins, Julianna Rose

Anthropology Undergraduate Honors Theses

This thesis details a series of novel methods developed to estimate body masses of hominin fossils using 3-D point cloud registration software. All analyses were conducted through 3-D modeling software that supported the remote study of five fossil femora from East Africa. The fossil computer models were repeatedly aligned with anatomically modern human femora to determine their scaling relationship with the objective of using the scaling factor of the human references to estimate the body mass of the fossils, on the basis of the femoral head breadth. Body mass estimates obtained through this technique were compared to estimates using more …

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An Exploration Of The Correlation Between Body Mass And Skeletal Measurements Of The Long Bone Joints And Diaphyses, Caroline Genius May 2023

An Exploration Of The Correlation Between Body Mass And Skeletal Measurements Of The Long Bone Joints And Diaphyses, Caroline Genius

Honors Theses

Body mass is a characteristic of the human body that can aid in narrowing down potential identifications of unidentified individuals. However, when faced with skeletal remains, body mass is not easily ascertained, especially when the remains are incomplete. This research explores the potential correlation between body mass and long bone dimensions in order to aid in identification efforts. The limited research done prior has been conducted almost exclusively on the lower limbs—therefore, one of the primary foci of this study is to assess the efficacy of using the joint surfaces and shaft measurements of the upper limbs. Five long bones …

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Fatty Females And Muscular Males: Investigating Human Sexual Dimorphism Across The Upper And Lower Skeleton, Brooklin Edwards May 2023

Fatty Females And Muscular Males: Investigating Human Sexual Dimorphism Across The Upper And Lower Skeleton, Brooklin Edwards

Anthropology Undergraduate Honors Theses

The sexual dimorphism profile of human body composition produces a unique pattern. Compared to other primates, humans have a mild size dimorphism; however, human males have a particularly muscular upper body and human females have a permanent fatty composition. These findings have resulted in varying interpretations related to sexual selection, mating systems, and male competition. Using humerus and femur measurements collected from 9 primate species, we investigated how the pronounced sexually dimorphic tissue composition of humans influences skeletal elements compared to the other primates. We hypothesized that over the course of human evolution, human females developed a body composition that …

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Dental Calculus: Future In Forensics, Emily Elgin May 2023

Dental Calculus: Future In Forensics, Emily Elgin

Chancellor’s Honors Program Projects

No abstract provided.

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Gendered Bodies, Engendered Lives: Bioarchaeological Exploration Of The Intersectionality Of Gender, Health, And Trauma At Turkey Creek Pueblo, Arizona (Ad 1225-1286), Claira Elizabeth Ralston May 2023

Gendered Bodies, Engendered Lives: Bioarchaeological Exploration Of The Intersectionality Of Gender, Health, And Trauma At Turkey Creek Pueblo, Arizona (Ad 1225-1286), Claira Elizabeth Ralston

UNLV Theses, Dissertations, Professional Papers, and Capstones

This dissertation examines the relationships between sex, gender, and health at Turkey Creek Pueblo (AD 1225-1286), the earliest aggregated Pueblo community in the Point of Pines region of east central Arizona, to better understand their roles in producing differential health outcomes. To gain a view of these interactions, I use osteological, mortuary, and ethnohistoric data to explore how gender, as a social institution, informed divisions of labor and experiences with traumatic injury at Turkey Creek Pueblo, because this site was occupied during a socially dynamic and important period in the pre-contact American Southwest. Using these data, I explore how sex, …

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Comparison Of Male And Female Rib Sternal Ends And The Effects Of Aging Using Elliptical Fourier Analysis, Marta M. Paulson May 2023

Comparison Of Male And Female Rib Sternal Ends And The Effects Of Aging Using Elliptical Fourier Analysis, Marta M. Paulson

Masters Theses

Sex and age make up two of the main tenets of the biological profile. Most anthropologists would argue that sex is one of the most important aspects of the profile. When creating a biological profile, the first step is to estimate sex of the individual because this can affect age estimation using the os coxa or estimations of stature. Past studies have noted that even though ribs carry out the same function in males and females there are morphological differences that can affect age estimation using the ribs. This study uses Elliptical Fourier analysis to compare differences in overall shape …

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A Handy Study Of Secular Change In Metacarpals Using The Terry Collection And Utk Donated Skeletal Collection, Helen E. Martin May 2023

A Handy Study Of Secular Change In Metacarpals Using The Terry Collection And Utk Donated Skeletal Collection, Helen E. Martin

Masters Theses

Hand morphology reflects an individual’s physical interaction with the world around them. Technological innovation, improved nutrition and health, changes levels of physical activity, and other environmental factors provoke secular change in skeletal morphology. This study elaborates on previous secular change research that has documented the narrowing of the American skeletal form in recent American history, and it contributes new information to this field by focusing on metacarpals. By utilizing a dataset comprising individuals from the Robert J. Terry Collection (N=213) and adults from the UTK Donated Skeletal Collection (N=180), this study examines metacarpal morphology for secular change over a 170-year …

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