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Garzón-Alfaro A, Botella M, Rus Carlborg G, Prados Olleta N, González-Ramírez AR, Hernández-Cortés P. Anthropometric study of the scapula in a contemporary population from granada. Sex estimation and glenohumeral osteoarthritis prevalence. PLoS One 2024; 19:e0305410. [PMID: 38985776 PMCID: PMC11236152 DOI: 10.1371/journal.pone.0305410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Accepted: 05/29/2024] [Indexed: 07/12/2024] Open
Abstract
Anthropometric studies of the scapula have been rare in Spanish populations, nevertheless they are of current interest in forensic anthropology for estimation of sex. Although the estimation of sex is usually carried out on the pelvis and skull, other measurements related to the scapula can be helpful when the skeletal remains are incomplete. Glenohumeral osteoarthritis development is influenced, among others, by the morphology of the scapula, which is one of the less studied aspects. We carried out a descriptive study of anthropometric parameters in a series of 157 scapulae (82 individuals) on bone remains dated to the 20th century from a population of Granada (Southern Spain). Seventy seven (49%) were right-side and 80 (51%) left-side; 72 (45.9%) were from males and 85 (54.1%) from females, and the mean age at death was 70.76±11.7 years. The objective was to develop a discrimination function for sex estimation based on anthropometric parameters of the scapula other than those considered to date, and to analyze the prevalence of glenohumeral osteoarthritis in relation to selected anthropometric parameters. A logistic regression model based on parameters of the upper-external segment of the scapula was done. The obtained formula: 1/1+e^ (- (-57.911 + 0.350*B + 0283*C + 0.249*b + 0.166*a +-0.100*β) classifies male sex with 98.3% accuracy and female sex with 92.1%. Glenohumeral osteoarthritis was detected in 16.6% of individuals and was related to age (p<0.05), scapular length (p<0.05), glenoid width (p<0.05), glenopolar angle (p<0.05), and α angle (p<0.05) in bivariate analyses but showed no significant associations in multivariate analyses. This approach can be useful for anthropological-forensic identification when scapula remains are incomplete. Glenohumeral osteoarthritis is significantly associated with a smaller α angle.
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Affiliation(s)
- Adoración Garzón-Alfaro
- Orthopedic Surgery Department, Upper Limb Surgery Unit, "San Cecilio" University Hospital of Granada, Madrid, Spain
| | - Miguel Botella
- Department of Anthropology, School of Medicine of Granada, Madrid, Spain
| | - Guillermo Rus Carlborg
- Department of Structural Mechanics, Ultrasonics Group (TEP-959), University of Granada, Granada, Spain
- Excellence Research Unit "ModelingNature" MNat UCE.PP2017.03, University of Granada, Granada, Spain
- Biosanitary Research Institute of Granada (IBS), Granada, Spain
| | - Nicolás Prados Olleta
- Orthopedic Surgery Department, Foot and Ankle Surgery Unit, "Virgen de las Nieves", University Hospital of Granada, Madrid, Spain
- Surgery Department, School of Medicine. Granada University, Granada, Spain
| | - Amanda Rocío González-Ramírez
- Biosanitary Research Institute of Granada (IBS), Granada, Spain
- Bio- Health Research Foundation of Eastern Andalusia- Alejandro Otero (FIBAO), Granada, Spain
| | - Pedro Hernández-Cortés
- Orthopedic Surgery Department, Upper Limb Surgery Unit, "San Cecilio" University Hospital of Granada, Madrid, Spain
- Biosanitary Research Institute of Granada (IBS), Granada, Spain
- Surgery Department, School of Medicine. Granada University, Granada, Spain
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García-González R, Rodríguez L, Salazar-Fernández A, Arsuaga JL, Carretero JM. Updated study of adult and subadult pectoral girdle bones from Sima de los Huesos site (Sierra de Atapuerca, Burgos, Spain). Anatomical and age estimation keys. Anat Rec (Hoboken) 2024; 307:2491-2518. [PMID: 36656646 DOI: 10.1002/ar.25158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 12/23/2022] [Accepted: 12/27/2022] [Indexed: 01/20/2023]
Abstract
Here we present an updated inventory and study of pectoral girdle remains recovered from the Sima de los Huesos (SH) site. Here, we describe the key morphological traits of adults and, for the first time, subadult specimens. Because morphological traits can change with age, we also discuss some shortcomings related to age estimation in postcranial fossil specimens. Adult clavicles from the SH are long with a low robusticity index and marked curvatures in the superior view. Among these traits, only extreme clavicular length seems to characterize subadult individuals. Neandertals share all these traits. In the case of the scapula, the SH specimens share a relatively long and narrow glenoid fossa with Neandertals. This trait is also present in subadult individuals. Additionally, most specimens from SH, adults, and subadults showed a dorsal axillary sulcus on the scapular lateral border, a trait also present in most adult and subadult Neandertals. These traits in adult and subadult specimens supports substantial genetic control for many of them in both human species.
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Affiliation(s)
- Rebeca García-González
- Laboratorio de Evolución Humana, Universidad de Burgos, Edificio I+D+i-CIBA, Burgos, Spain
| | - Laura Rodríguez
- Laboratorio de Evolución Humana, Universidad de Burgos, Edificio I+D+i-CIBA, Burgos, Spain
- Departamento de Biodiversidad y Gestión Ambiental, Facultad de Ciencias Biológicas y Ambientales, Universidad de León, León, Spain
| | | | - Juan Luis Arsuaga
- Centro UCM-ISCIII de Investigación sobre Evolución y Comportamiento Humanos, Madrid, Spain
- Departamento de Geodinámica, Estratigrafía y Paleontología, Facultad de Ciencias Geológicas, Universidad Complutense de Madrid, Madrid, Spain
| | - José-Miguel Carretero
- Laboratorio de Evolución Humana, Universidad de Burgos, Edificio I+D+i-CIBA, Burgos, Spain
- Centro UCM-ISCIII de Investigación sobre Evolución y Comportamiento Humanos, Madrid, Spain
- Unidad Asociada de I+D+i al CSIC Vidrio y Materiales del Patrimonio Cultural (VIMPAC), Burgos, Spain
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MacLean KFE, Langenderfer JE, Dickerson CR. A comparative probabilistic analysis of human and chimpanzee rotator cuff functional capacity. J Anat 2023; 243:431-447. [PMID: 37186281 PMCID: PMC10439372 DOI: 10.1111/joa.13882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 04/10/2023] [Accepted: 04/11/2023] [Indexed: 05/17/2023] Open
Abstract
Computational musculoskeletal modeling represents a valuable approach to examining biological systems in physical anthropology. Probabilistic modeling builds on computational musculoskeletal models by associating mathematical distributions of specific musculoskeletal features within known ranges of biological variability with functional outcomes. The purpose of this study was to determine if overlap in rotator cuff muscle force predictions would occur between species during the performance of an evolutionarily relevant horizontal bimanual arm suspension task. This necessitated creating novel probabilistic models of the human and chimpanzee glenohumeral joint through augmentation of previously published deterministic models. Glenohumeral musculoskeletal features of anthropological interest were probabilistically modeled to produce distributions of predicted human and chimpanzee rotator cuff muscle force that were representative of the specific anatomical manipulations. Musculoskeletal features modeled probabilistically included rotator cuff origins and deltoid insertion, glenoid inclination, and joint stability. Predicted human rotator cuff muscle force distributions were mostly limited to alternating between infraspinatus and teres minor, with both 100% and 0% muscle force predicted for both muscles. The chimpanzee model predicted low-to-moderate muscle force across all rotator cuff muscles. Rotator cuff muscle force predictions were most sensitive to changes of muscle origins and insertions. Results indicate that functional rotator cuff overlap is unlikely between chimpanzees and humans without greater modifications of the glenohumeral musculoskeletal phenotypes. The results also highlight the low efficacy of the human upper extremity in overhead, weight-bearing tasks, and propensity for rotator cuff injury.
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Raventós-Izard G, Potau JM, Casado A, Pastor JF, Arias-Martorell J. The morphofunctional implications of the glenoid labrum of the glenohumeral joint in hominoids. AMERICAN JOURNAL OF BIOLOGICAL ANTHROPOLOGY 2023; 181:195-205. [PMID: 36939238 DOI: 10.1002/ajpa.24729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 02/13/2023] [Accepted: 03/05/2023] [Indexed: 03/21/2023]
Abstract
OBJECTIVES A morphocline of the glenoid cavity has been used to infer differences in locomotor behaviors; however, the glenoid cavity is surrounded by the glenoid labrum, a fibrocartilaginous structure that could influence the functionality of the glenoid. The objectives of this study are to explore the effects of the glenoid labrum on the area, depth, and morphology of the glenoid cavity in primates. MATERIALS AND METHODS Photogrammetry was used to build 3D models of the glenoid, with and without the labrum, and three- (3D) and two-dimensional (2D) geometric morphometrics (GM) was applied. 2D areas were collected from zenithal images for glenoids with and without labrum to evaluate the availability of articular surface area. RESULTS In the 2D GM the morphocline is present in the dry-bone sample but not with the presence of the glenoid labrum. In the 3D GM there are differences between species mainly concerning the depth of the glenoid cavity. 2D areas reveal that the amount of articular area of the glenoid cavity increases with the presence of the labrum, particularly in humans. DISCUSSION The glenoid labrum changes the shape, increases the depth and the surface area of the glenoid cavity, particularly in humans. Therefore, the glenoid labrum might hold a functional role, increasing the stability of the glenohumeral joint of primates in general, and especially in humans.
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Affiliation(s)
- Georgina Raventós-Izard
- Institut Català de Paleontologia Miquel Crusafont, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Barcelona, Spain
| | - Josep Mª Potau
- Unit of Human Anatomy and Embryology, Faculty of Medicine, University of Barcelona, Barcelona, Spain.,Institut d'Arqueologia de la Universitat de Barcelona (IAUB), Faculty of Geography and History, University of Barcelona, Barcelona, Spain
| | - Aroa Casado
- Unit of Human Anatomy and Embryology, Faculty of Medicine, University of Barcelona, Barcelona, Spain.,Institut d'Arqueologia de la Universitat de Barcelona (IAUB), Faculty of Geography and History, University of Barcelona, Barcelona, Spain
| | - Juan F Pastor
- Museo Anatómico, Departamento de Anatomía y Radiología, Facultad de Medicina, Universidad de Valladolid, Valladolid, Spain
| | - Julia Arias-Martorell
- Institut Català de Paleontologia Miquel Crusafont, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Barcelona, Spain.,School of Anthropology and Conservation, Marlowe Building, University of Kent, Canterbury, UK
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MacLean KFE, Dickerson CR. Development of a comparative chimpanzee musculoskeletal glenohumeral model: implications for human function. J Exp Biol 2020; 223:jeb225987. [PMID: 33071220 DOI: 10.1242/jeb.225987] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 10/01/2020] [Indexed: 11/20/2022]
Abstract
Modern human shoulder function is affected by the evolutionary adaptations that have occurred to ensure survival and prosperity of the species. Robust examination of behavioral shoulder performance and injury risk can be holistically improved through an interdisciplinary approach that integrates anthropology and biomechanics. Coordination of these fields can allow different perspectives to contribute to a more complete interpretation of biomechanics of the modern human shoulder. The purpose of this study was to develop a novel biomechanical and comparative chimpanzee glenohumeral model, designed to parallel an existing human glenohumeral model, and compare predicted musculoskeletal outputs between the two models. The chimpanzee glenohumeral model consists of three modules - an external torque module, a musculoskeletal geometric module and an internal muscle force prediction module. Together, these modules use postural kinematics, subject-specific anthropometrics, a novel shoulder rhythm, glenohumeral stability ratios, hand forces, musculoskeletal geometry and an optimization routine to estimate joint reaction forces and moments, subacromial space dimensions, and muscle and tissue forces. Using static postural data of a horizontal bimanual suspension task, predicted muscle forces and subacromial space were compared between chimpanzees and humans. Compared with chimpanzees, the human model predicted a 2 mm narrower subacromial space, deltoid muscle forces that were often double those of chimpanzees and a strong reliance on infraspinatus and teres minor (60-100% maximal force) over other rotator cuff muscles. These results agree with previous work on inter-species differences that inform basic human rotator cuff function and pathology.
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Affiliation(s)
- Kathleen F E MacLean
- Division of Kinesiology, School of Health and Human Performance, Dalhousie University, 6260 South Street, Halifax, NS, Canada B3H 4R2
| | - Clark R Dickerson
- Department of Kinesiology, University of Waterloo, Waterloo, ON, Canada N2L 3G1
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Bermúdez de Castro JM, Martínez de Pinillos M, López-Polín L, Martín-Francés L, García-Campos C, Modesto-Mata M, Rosell J, Martinón-Torres M. A descriptive and comparative study of two Early Pleistocene immature scapulae from the TD6.2 level of the Gran Dolina cave site (Sierra de Atapuerca, Spain). J Hum Evol 2020; 139:102689. [PMID: 31902740 DOI: 10.1016/j.jhevol.2019.102689] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 10/03/2019] [Accepted: 10/09/2019] [Indexed: 11/26/2022]
Abstract
Here we present the descriptive and comparative study of two immature scapulae recovered from the TD6.2 level of the Gran Dolina cave site (Sierra de Atapuerca, Spain) and assigned to Homo antecessor. This is the first time that data on the morphology and dimensions of the scapulae of a European late Early Pleistocene hominin population are provided. Considering the state of development and the linear dimensions, the scapula ATD6-116 could belong to a child of about 2-4 years. The morphology of ATD6-116 clearly departs from that of the Australopithecus afarensis juvenile specimen DIK-1-1, pointing to functional differences in locomotor behavior between Australopithecus and the late Early Pleistocene hominins. The immature scapula ATD6-118 belonged to an immature individual with a development of the scapula equivalent to that of adolescents of recent human populations. The scapulae ATD6-118 and KNM-WT 15000 present a similar state of development. Although the scapula KNM-WT 15000 is clearly larger than ATD6-118, these two specimens share some characteristics such as their relative narrowness and the value of the axilloglenoid and spinoglenoid angles. The glenoid fossa of ATD6-116 show a lateral orientation, whereas in ATD6-118 the glenoid fossa is slightly cranially oriented, but still within the range of variation of modern humans. The glenoid index of both ATD6-116 and ATD6-118 is low in accordance to the values usually observed in other early hominins, thus showing the primitive condition for this feature. Both scapulae show a ventrally placed axillary sulcus. The presence of this primitive feature in ATD-116 confirms that the shape of the axillary border has a genetic basis and it is not related to physical activity.
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Affiliation(s)
- José María Bermúdez de Castro
- Centro Nacional de Investigación sobre la Evolución Humana (CENIEH), Paseo de la Sierra de Atapuerca 3, 09002 Burgos, Spain; Anthropology Department, University College London, 14 Taviton Street, London WC1 H 0BW, UK.
| | - Marina Martínez de Pinillos
- Centro Nacional de Investigación sobre la Evolución Humana (CENIEH), Paseo de la Sierra de Atapuerca 3, 09002 Burgos, Spain.
| | - Lucía López-Polín
- IPHES, Institut Català de Paleoecologia Humana i Evolució Social, Unit Associated to CSIC, C/Marcel.lí Domingo s/n-Campus Sescelades URV (Edifici W3), 43007 Tarragona, Spain.
| | - Laura Martín-Francés
- Univ. Bordeaux, CNRS, MCC, PACEA, UMR 5199, F-33615 Pessac Cedex, France; Centro Nacional de Investigación sobre la Evolución Humana (CENIEH), Paseo de la Sierra de Atapuerca 3, 09002 Burgos, Spain.
| | - Cecilia García-Campos
- Centro Nacional de Investigación sobre la Evolución Humana (CENIEH), Paseo de la Sierra de Atapuerca 3, 09002 Burgos, Spain.
| | - Mario Modesto-Mata
- Equipo Primeros Pobladores de Extremadura, Casa de la Cultura Rodríguez Moñino, Avda. Cervantes s/n., 10003 Cáceres, Spain.
| | - Jordi Rosell
- Área de Prehistoria, Universitat Rovira i Virgili (URV), Avinguda de Catalunya 35, 43002 Tarragona, Spain; IPHES, Institut Català de Paleoecologia Humana i Evolució Social, Unit Associated to CSIC, C/Marcel.lí Domingo s/n-Campus Sescelades URV (Edifici W3), 43007 Tarragona, Spain.
| | - María Martinón-Torres
- Centro Nacional de Investigación sobre la Evolución Humana (CENIEH), Paseo de la Sierra de Atapuerca 3, 09002 Burgos, Spain; Anthropology Department, University College London, 14 Taviton Street, London WC1 H 0BW, UK.
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Arias‐Martorell J. The morphology and evolutionary history of the glenohumeral joint of hominoids: A review. Ecol Evol 2019; 9:703-722. [PMID: 30680150 PMCID: PMC6342098 DOI: 10.1002/ece3.4392] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Revised: 06/11/2018] [Accepted: 06/18/2018] [Indexed: 11/10/2022] Open
Abstract
The glenohumeral joint, the most mobile joint in the body of hominoids, is involved in the locomotion of all extant primates apart from humans. Over the last few decades, our knowledge of how variation in its morphological characteristics relates to different locomotor behaviors within extant primates has greatly improved, including features of the proximal humerus and the glenoid cavity of the scapula, as well as the muscles that function to move the joint (the rotator cuff muscles). The glenohumeral joint is a region with a strong morphofunctional signal, and hence, its study can shed light on the locomotor behaviors of crucial ancestral nodes in the evolutionary history of hominoids (e.g., the last common ancestor between humans and chimpanzees). Hominoids, in particular, are distinct in showing round and relatively big proximal humeri with lowered tubercles and flattened and oval glenoid cavities, morphology suited to engage in a wide range of motions, which enables the use of locomotor behaviors such as suspension. The comparison with extant taxa has enabled more informed functional interpretations of morphology in extinct primates, including hominoids, from the Early Miocene through to the emergence of hominins. Here, I review our current understanding of glenohumeral joint functional morphology and its evolution throughout the Miocene and Pleistocene, as well as highlighting the areas where a deeper study of this joint is still needed.
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Affiliation(s)
- Julia Arias‐Martorell
- Animal Postcranial Evolution LabSkeletal Biology Research CentreSchool of Anthropology and ConservationUniversity of KentCanterburyUK
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