Dissertations / Theses on the topic 'Forelimbs'
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Yamamoto, Mako. "The transformation suppressor gene Reck is required for postaxial patterning in mouse forelimbs." Kyoto University, 2012. http://hdl.handle.net/2433/158062.
Full textAndersson, Lisa. "EquumTemp : A palpation aid that document and detect temperature changes on the surface of horse’s forelimbs." Thesis, KTH, Skolan för datavetenskap och kommunikation (CSC), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-189554.
Full textJust nu, i den dagliga vården för hästar finns det en brist på tekniska hjälpmedel för privat bruk. Som hästägare måste du fysiskt palpera hästens ben för att upptäcka tecken på skador och hälta. Det är svårt och tecknen är oftast vaga och svåra att urskilja. Teknik och interaktionsdesign kan vara lösningen på detta problem. Relaterad forskning som denna rapport bygger på är: kliniska diagnostiska metoder för att diagnostisera hälta, monitorsystem för att övervaka människors hälsa och smarta textilier på hästar. Frågan denna rapport försöker besvara är: Hur man utvecklar och designar en prototyp av en produkt som är ett hjälpmedel för hästägare att dokumentera och bättre förstå förändringar i yttemperatur av hästens kotled? För att besvara denna fråga användes en användarcentrerad designprocess. En användarundersökning, expert domän intervju, design och utveckling av en prototyp, två olika användartestningar och en designworkshop. Resultatet är en prototyp av ett palperingshjälpmedel som kallas EquumTemp. Den används av hästägaren för att mäta hästens hud temperatur runt kotan. EquumTemp mäter, lagrar och dokument yttemperaturen runt kotan. Prototypen testades av författaren i 2 veckor och av tre olika potentiella användare. Kunskapen från projektet resulterade i definierade produktkrav.
Fain, Jordan. "Comparative Analysis of Muscle Architecture and Myosin Heavy Chain Content in the Forelimbs of Geomyid and Heteromyid Burrowing Rodents." Youngstown State University / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1630024719953543.
Full textIwaniuk, Andrew N., and University of Lethbridge Faculty of Arts and Science. "The evolution of skilled forelimb movements in carnivorans." Thesis, Lethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2000, 2000. http://hdl.handle.net/10133/94.
Full textxii, 151 leaves : ill. ; 28 cm.
Cadinouche, Moglani Z. Alia. "The Notophthalmus viridescens radical fringe cDNA, molecular cloning and spatiotemporal expression in forelimb development and adult forelimb regeneration." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0020/NQ45804.pdf.
Full textColes, Brenda Louise Kay, and University of Lethbridge Faculty of Arts and Science. "Neural changes in forelimb cortex and behavioural development." Thesis, Lethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 1996, 1996. http://hdl.handle.net/10133/85.
Full textx, 132 leaves : ill. ; 28 cm.
Coles, Brenda L. K. "Neural changes in forelimb cortex and behavioural development." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ38447.pdf.
Full textIwaniuk, Andrew N. "The evolution of skilled forelimb movements in carnivorans." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0016/MQ49136.pdf.
Full textWatson, Johanna Clare. "Muscle function and control in the equine forelimb." Thesis, Royal Veterinary College (University of London), 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.419804.
Full textSwanstrom, Michael David. "Lower forelimb loading dynamics in the thoroughbred racehorse /." For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2003. http://uclibs.org/PID/11984.
Full textVanstone, Jason. "Molecular Characterization of Early Dedifferentiation in Newt Forelimb Regeneration." Thesis, Université d'Ottawa / University of Ottawa, 2013. http://hdl.handle.net/10393/26058.
Full textSelby, Michael. "Evolution of the hominoid forelimb skeleton from Miocene to present." Kent State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=kent1331220722.
Full textMartin, Ramaldo S. "Implementation and validation of a computational model of the feline forelimb." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/50293.
Full textRemes, Kristian. "Evolution of the Pectoral Girdle and Forelimb in Sauropodomorpha (Dinosauria, Saurischia)." Diss., lmu, 2008. http://nbn-resolving.de/urn:nbn:de:bvb:19-83953.
Full textWhitehead, Paul Frederick. "Functional Anatomy of the Forelimb in Terrestrial and Arboreal African Cercopithecoids." Thesis, Yale University, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10957344.
Full textThe cercopithecoid monkeys, though sharing a common body-plan, exhibit considerable behavioral, ecological, and anatomical diversity. The theme of this work is the relationship between anatomy, postural behavior, and habitat use, concentrating upon the distal forearm, wrist and hand. It incorporates an initial review of the relevant empirical and theoretical literature, and original research including anatomy, naturalistic and experimental observation, and a first detailed description of fossil forelimb material of the "giant" extinct baboon, Theropithecus oswaldi. Two modes of contact between hand and substrate in monkeys are distinguished. Palmigrady is characteristic of predominately arboreal species, while species that habitually walk on the ground do so using a distinctive digitigrade gait. The vervet monkey (Cercopithecus [now Chiorocebus] aethiops, s.l.) occupies many tropical, seasonal habitats, and, uniquely, is both polymorphic and polytypic with respect to hand posture. The author's fieldwork found that as expected, digitigrady is apparently favored by vervets living in drier, more open habitats. The mid section of the dissertation reviews in depth the copious and often confusing literature on primate, especially cercopithecoid, taxonomy, and the many contradictory schemes that have attempted to categorize primate positional behavior.
Variation in the intermetacarpal and other wrist joints in human subjects provides background for recognition of character states distinguishing obligate digitigrade (patas and baboon) from palmigrade (colobus) monkey genera. It is then demonstrated that, consistent with the observation of hand posture variation in living subjects, anatomical variation among individual vervet skeletons encompasses both types. Unexpectedly, the large fossil T. oswaldi (but not T. geiada) shows palmigrade features in some aspects of carpal structure. This theme is pursued in the most extensive section of the dissertation, which includes a detailed description and interpretation of fossil forelimb specimens assigned to Theropithecus oswaldi, from the sites of Olorgesailie (Kenya) and Olduvai Gorge (Tanzania) . The descriptions include notes comparing the fossils with extant cercopithecoids, and interpreting similarities and differences. These comparisons suggest that T. oswaldi did not closely resemble extant baboons in locomotor behavior, and may have been palmigrade on the ground. Finally, the concluding sections describe an innovative set of techniques that were used successfully to collect electromyographic and cineradiographic data on monkeys locomoting in a controlled laboratory setting, with a view to confirming the functional interpretation of anatomical features of living and fossil forms, and the naturalistic behavior of living vervets.
Simons, Erin L. R. "The Evolution of Forelimb Morphology and Flight Mode in Extant Birds." Ohio University / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1250094326.
Full textTakano, Tomo. "Comparative and functional morphology of the forelimb skeleton of Nacholapithecus kerioi." 京都大学 (Kyoto University), 2003. http://hdl.handle.net/2433/149117.
Full textRuppert, David Strater. "Design of a Robotic Equine Forelimb for Testing Load-Bearing Rehabilitative Devices." Thesis, Virginia Tech, 2003. http://hdl.handle.net/10919/31136.
Full textIn order to allow for in-vitro testing of such a load-bearing device, this thesis describes the design, analysis, and procedure of construction of a robotic replica of a foal's limb. In particular, the robotic replica has been designed to replicate all of the anticipated motion of a foal's limb, including walking, shifting weight from one leg to the other, and kicking, for example, using gait-analysis data from an actual horse's gait. From such data, the robotic replica has been designed in IDEAS and analyzed using multibody dynamics simulations code and the finite-element-analysis software ANSYS. To evaluate the function of the robotic replica, a control system was developed to reproduce observed gait characteristics. Comparison of the computer-simulated gait with the observed gait showed that a linear feedback control algorithm resulted in a response adequate for the proposed function.
The proposed robotic replica has the potential for aiding in the development of several other bioassistive devices. With minor modifications, the robotic replica could be used to test a device design to transfer load from the cannon bone to the ground for an animal inflicted with laminitis (founder). These possibilities should be investigated in the future.
Master of Science
Thiranagama, R. "Comparative anatomy of the forelimb veins in humans and non-human primates." Thesis, Online version, 1986. http://ethos.bl.uk/OrderDetails.do?did=1&uin=uk.bl.ethos.383521.
Full textHobbs, Sarah Jane. "Measurement and analysis of equine radial hoof strain and lower forelimb motion." Thesis, University of Central Lancashire, 2006. http://clok.uclan.ac.uk/21889/.
Full textMarshall, Sarah K. "Comparative Morphology of the Forelimb Digging Apparatus in Armadillos (Xenarthra: Cingulata, Dasypodidae)." Youngstown State University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1534870518413352.
Full textBeug, Shawn. "The role of Growth arrest-specific 6 in Notophthalmus viridescens forelimb regeneration." Thesis, University of Ottawa (Canada), 2004. http://hdl.handle.net/10393/26583.
Full textVlaskalin, Tatjana. "Profiling apoptotic patterns during forelimb development and regeneration in the newt, Notophthalmus viridescens." Thesis, University of Ottawa (Canada), 2003. http://hdl.handle.net/10393/26542.
Full textKrentz, Hartmut. "The forelimb anatomy of Theropithecus brumpti and Theropithecus oswaldi from the Shungura Formation, Ethiopia /." Thesis, Connect to this title online; UW restricted, 1993. http://hdl.handle.net/1773/6533.
Full textGorvet, Marissa A. "EMG Activation in the Forelimb Musculature of Three-toed Sloths (Bradypus variegatus)." Youngstown State University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1547111569993329.
Full textAbdelhadi, Jalal [Verfasser]. "Computerized gait analysis of dogs during normal gait and with induced forelimb lameness / Jalal Abdelhadi." Hannover : Bibliothek der Tierärztlichen Hochschule Hannover, 2013. http://d-nb.info/1037762908/34.
Full textRemes, Kristian. "Evolution of the pectoral girdle and forelimb in Sauropodomorpha (Dinosauria, Saurischia) : Osteology, myology and function." kostenfrei, 2007. http://edoc.ub.uni-muenchen.de/8395/.
Full textQiu, Qingchao. "TGF-β, WNT, AND FGF SIGNALING PATHWAYS DURING AXOLOTL TAIL REGENERATION AND FORELIMB BUD DEVELOPMENT." UKnowledge, 2019. https://uknowledge.uky.edu/neurobio_etds/24.
Full textMoore, Alexis L. "Functional specialization in the intrinsic forelimb musculature of the American badger (Taxidea taxus)." Youngstown State University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1323718161.
Full textCrouch, David Alexander. "Morphometric analysis of neural tissue following long-term implantation of nerve cuffs in the cat forelimb." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/mq24113.pdf.
Full textZylstra, Myriam. "Functional morphology of the hominoid forelimb, implications for knuckle-walking and the origin of hominid bipedalism." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0022/NQ50067.pdf.
Full textSheikh, Imran Sana. "The Role of C3-C4 Propriospinal Interneurons on Reaching and Grasping Behaviors Pre- and Post-Cervical Spinal Cord Injury." Diss., Temple University Libraries, 2018. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/522459.
Full textPh.D.
Greater than 50% of all spinal cord injuries (SCIs) in humans occur at the cervical level and the biggest desire of quadriplegic patients is recovery of hand and digit function. Several weeks after spinal cord injury, re-organization and re-modeling of spared endogenous pathways occurs and plasticity of both supraspinal and interneuronal networks are believed to mediate functional recovery. Propriospinal interneurons (PNs) are neurons found entirely in the spinal cord with axons projecting to different spinal segments. PNs function by modulating locomotion, integrating supraspinal motor pathways and peripheral sensory afferents. Recent studies have postulated that if PNs are spared following SCI, these neurons can contribute to functional recovery by establishing synaptic connections onto motor neurons. However, to what extent cervical PNs are involved in recovery of reaching behavior is not known. In our first study, we generated a lentiviral vector that permits highly efficient retrograde transport (HiRet) upon uptake at synaptic terminals in order to map supraspinal and interneuronal populations terminating near forelimb motoneurons (MNs) innervating the limb. With this vector, we found neurons labeled within the C3-C4 spinal cord and in the red nucleus, two major populations which are known to modulate forelimb reaching behavior. We also proceeded to use a novel two-viral vector method to specifically label ipsilateral C3-C4 PNs with tetracycline-inducible GFP. Histological analysis showed detailed labeling of somas, dendrites along with axon terminals. Based on this data, we proceeded to determine the contribution of C3-C4 PNs and rubrospinal neurons on forelimb reaching and grasping before and after cervical SCI. In our second study, we have examined a double-infection technique for shutdown of PNs and rubrospinal neurons (RSNs) in adult rats. Adult rats were microinjected with a lentiviral vector expressing tetracycline-inducible inhibitory DREADDs into C6-T1 spinal levels. Adeno-associated viral vectors (AAV2) expressing TetON mixed with GIRK2 were injected into the red nucleus and C3-C4 spinal levels respectively. Rats were tested for deficits in reaching behaviors upon application of doxycycline and clozapine-n-oxide (CNO) administration. No behavioral deficits were observed pre-injury. Rats then received a C5 spinal cord lesion to sever cortical input to forelimb motoneurons and were allowed four weeks to spontaneously recover. Upon re-administration of CNO to activate inhibitory DREADDs, deficits were observed in forelimb reaching. Histological analysis of the C3-C4 spinal cord and red nucleus showed DREADD+ neurons co-expressing GIRK2 in somas and dendrites of PNs and RSNs. PN terminals expressing DREADD were observed near C6-T1 motoneurons and in the brainstem. Control animals did not show substantial deficits with CNO administration. These results indicate both rubro- and propriospinal pathways are necessary for recovery of forelimb reaching. In a separate study, we sought to determine if promoting severed CST sprouting rostral to a C5 lesion near C3-C4 PNs could improve behavioral recovery post SCI. Past studies have examined sprouting and regeneration of corticospinal tract (CST) fibers post-cervical SCI through viral upregulation of key components of the PI3K/Akt/mTOR cascade. We examined the regenerative growth potential of CST fibers that are transduced with AAV2 expressing constituively active Akt3 or STAT3 both separately and in combination (Akt3 + STAT3). We have observed significant increases in CST axonal sprouting and regeneration in Akt3 and Akt3 + STAT3 transduced samples. However, no recovery was observed as animals transduced with viral constitutively active Akt3 displayed an epileptic phenotype. Further, epileptic animals with constitutively active Akt3 were found to have significant cortical neuron cell hypertrophy, activatived astrogliosis, increased dendritic arbors and hemimegencephalitis (HME). These results indicate a new model for examining mechanisms of HME and mTOR hyperactivity-induced epilepsy in adult rodents.
Temple University--Theses
Leach, Kelly Rebecca. "The Use of Forelimb Asymmetry Functional Tests to Determine Motor Recovery With Various Drug Treatments Following Endothelin-Induced Stroke." Wright State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=wright1344607995.
Full textBrachmann, Isabel [Verfasser], and Hilmar [Akademischer Betreuer] Bading. "Imaging peripheral nerve outgrowth into the developing forelimb of the mouse embryo / Isabel Brachmann ; Betreuer: Hilmar Bading." Heidelberg : Universitätsbibliothek Heidelberg, 2010. http://d-nb.info/1177040360/34.
Full textBury, Scott Douglas. "Denervation facilitates motor skills learning with the "unaffected" forelimb in adult rats with unilateral sensorimotor cortex lesions /." Thesis, Connect to this title online; UW restricted, 2002. http://hdl.handle.net/1773/9134.
Full textMoreau, Chloé. "From lateral plate mesoderm formation to limb position - Linking hox collinear activation and forelimb position in birds." Thesis, Paris 6, 2017. http://www.theses.fr/2017PA066492/document.
Full textLimb position along the main body axis is highly consistent within one species but very variable among tetrapods. Despite major advances in our understanding of limb patterning in three dimensions, how limbs reproducibly form along the anteroposterior axis remains largely unknown. Hox genes have long been suspected to play a role in this process, however supporting evidences are mostly correlative and a direct role has yet to be demonstrated. Here, using bird embryos, I show that limb position is established very early during development, during the process of gastrulation. I find that the formation of the Lateral Plate Mesoderm (i.e. the embryonic compartment from which limbs will form) is a progressive process and that co-linear activation of Hox genes sequentially patterns it along the antero-posterior axis. Subsequent combinatorial activation and repression activities of Hox genes on limb initiation are particularly critical to pattern the LPM into limb- and non-limb-forming domains. Finally, by analyzing chicken, zebra finch and ostrich embryos which exhibit variation in their forelimb position, I show that relative changes in the timing of co-linear Hox gene activation during gastrulation underlie variation in limb position. Altogether these result shed light on the cellular and molecular mechanism that regulate limb position by showing a direct and early role for Hox genes in this process during gastrulation and provide a mechanism for variation in body plan organization observed in tetrapods
Stößel, Maria [Verfasser]. "Evaluation of enhanced chitosan nerve guides in hindlimb and forelimb rat models of peripheral nerve regeneration / Maria Stößel." Hannover : Bibliothek der Tierärztlichen Hochschule Hannover, 2017. http://d-nb.info/1160495262/34.
Full textPolis, João Eduardo. "Projeto e construção de parte estrutural de protese de mão humana com movimentos." [s.n.], 2009. http://repositorio.unicamp.br/jspui/handle/REPOSIP/265047.
Full textDissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecanica
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Resumo: Devido ao grande número de pessoas que necessitam do uso de prótese para substituir um membro com seu funcionamento normal afetado, seja por deficiência congênita ou nos casos em que haja necessidade de remoção, ocasionada por doenças ou lesões com trauma, como acidentes do trabalho e de trânsito, foi desenvolvido neste trabalho o projeto e construção da parte estrutural de uma prótese de mão humana, com dimensões e movimentos mecânicos em similaridade (física) com o membro original. Em analogia com uma máquina, a mão é uma ferramenta terminal com atuadores exercendo várias funções como preensão de objetos, movimentação, sensibilidade à textura e temperatura. Entre os membros superiores, é o mais utilizado, exposto e complexo, que quando demanda sua substituição por uma prótese encontra obstáculos em várias áreas, desde aspectos tecnológicos, morfológicos, psicológicos e ainda financeiros. O mercado mundial de próteses dispõe de modelos com tecnologia avançada, que oferecem grande gama de recursos, mas por se tratar de um produto que ainda não é produzido em larga escala, que possui componentes de alta tecnologia e alto custo, não atinge o grande número de pessoas que necessitam da sua utilização. A pesquisa desenvolvida neste trabalho adotou uma metodologia de projeto que buscou a facilidade de construção e a utilização de componentes e matérias-primas disponíveis no mercado e de custo relativamente baixo, podendo assim desenvolver a base estrutural de um produto em desenvolvimento, que incorporará em suas etapas futuras as áreas de motorização, sensorização e revestimento cosmético, visando a obtenção de uma prótese de mão humana que realize movimentos atendendo a impulsos mioelétricos gerados pelo paciente, e que seu custo final de construção, variedade de movimentos e praticidade na colocação viabilizem sua utilização por um maior número de pessoas.
Abstract: The number of handicapped people in need of a particular kind of prosthesis is a compelling reason for carrying out this study, for developing a design and fabrication of a human forelimb prosthesis with dimensions and mechanical movements in similarity (physical) with a human hand. Some of theses handicaps may be a result of accidents, congenital diseases, injuries, or even amputations. Analogous to a machine, a hand is a sensitive terminal tool that is able to grip, move, feel and measure temperatures of objects. It is a very useful and complex member of the human body, and when is necessary to replace it with a prosthesis, there are technological, morphological, psychological and also financial barriers. The world market of prosthesis offers high technology models and a very wide range of resources. However, these products are made of expensive hi-tech components. Moreover, most people cannot afford to buy these expensive products because there is still no large-scale production. Thus, this research project aims at building a prosthetic forelimb with dimensions and mechanical movements similar to those of the human hand, using relatively low cost components and raw materials for manufacturing the final product. This new prosthesis has sensitized "nerve" endings, cosmetic coating, and it is also motorized. It responds to myoelectric impulses generated by the patient. In addition, it is cheap, practical, and it has a variety of movements witch allow it to be used by a large number of people.
Mestrado
Materiais e Processos de Fabricação
Mestre em Engenharia Mecânica
Pinto, Tiago Miguel Gonçalves. "Reabilitação física de cães com doenças articulares no membro torácico." Master's thesis, Universidade de Lisboa, Faculdade de Medicina Veterinária, 2016. http://hdl.handle.net/10400.5/12718.
Full textCom o aumento da ocorrência de doenças articulares em cães tem-se vindo a recorrer cada vez mais a fisioterapia como forma de tratamento e prevenção destes casos. Embora esta não seja uma disciplina normalmente integrada no plano de recuperação dos animais, os seus benefícios podem ser muito relevantes. Com exercícios de diferentes exigências, desde caminhadas em ambientes controlados e exercícios de obstáculos a sessões de massagem, alongamentos e hidroterapia, é possível realizar um protocolo de reabilitação física adequado às capacidades dos animais. Paralelamente, também é criado um ambiente de trabalho conjunto com o proprietário do animal, que se sente como parte integrante do protocolo de reabilitação. Na presente dissertação são apresentados seis casos clínicos de doenças articulares, com sede no membro torácico, tendo cada animal beneficiado de um protocolo de reabilitação individual e específico. Simultaneamente, a evolução dos sinais clínicos é apresentada e discutida individualmente. Embora todas as modalidades da fisioterapia sejam importantes e tenham objetivos diferentes, a hidroterapia mostrou ser uma das técnicas de reabilitação física com maior potencial na recuperação de cães com lesões articulares no membro torácico, por oferecer uma panóplia de variáveis que permitem encontrar as condições ideais à recuperação de um número elevado de animais.
ABSTRACT - Physical rehabilitation of dogs with forelimb joint diseases - With the increase of joint diseases in dogs the demand for physiotherapy both as treatment and prevention of such cases has been increasing. Despite not usually being included in the recovery plan, its benefits may be utterly relevant. The use of exercises with different demands, from walks in controlled environments and obstacle courses to massage sessions, stretches and hydrotherapy, makes it possible to adjust the physical rehabilitation protocol to the animal´s abilities. Concurrently, it is also possible to create a work environment with the animal’s owner, who feels included as part of the rehabilitation protocol. In this study 6 clinical cases of joint disease, exclusively of the forelimb are presented. Each animal having benefited from an individual and specific rehabilitation protocol. Simultaneously, the progression of clinical signs is presented and individually discussed. Although all physiotherapy modalities are important and inspire different goals, hydrotherapy was shown to be the rehabilitation technic with the biggest potential in the recovery of joint diseases of the forelimb in dogs, since it offers a display of possibilities which allow to find the ideal conditions to recover a large number of animals.
N/A
Goldhamer, David Joseph. "Analysis of cell proliferation and the roles of nerves and wound epithelium during forelimb regeneration in the adult newt, Notophthalmus viridescens /." The Ohio State University, 1988. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487592050228169.
Full textPoulin, Matthew Leon. "Cloning, characterization and expression analysis of acidic fibroblast growth factor and its receptors during forelimb regeneration in the newt (Notophthalmus viridescens) /." The Ohio State University, 1993. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487846885777182.
Full textLynch, Eric Randally. "Cursorial Adaptations in the Forelimb of the Giant Short-Faced Bear, Arctodus simus, Revealed by Traditional and 3D Landmark Morphometrics." Digital Commons @ East Tennessee State University, 2012. https://dc.etsu.edu/etd/1477.
Full textPluto, Charles Peter. "Factors Influencing the Expression and Suppression of Hindlimb Receptive Fields in the Forelimb-stump Representation of Primary Somatosensory Cortex (SI) in Neonatally Amputated Rats." University of Toledo Health Science Campus / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=mco1146677464.
Full textDharmadhikari, Sayali Ravindra. "Examining Infarct Sizes In Female Sprague Dawley Rats In Response To A Delayed Post-Stroke Pharmacological Treatment In Combination With Physical Rehabilitation." Wright State University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=wright1470835878.
Full textLeclerc, Serge Simon. "Central consequences of forelimb deafferentation in the cat primary somatosensory cortex : somatotopic reorganization, changes in response properties and receptive field sizes and their correlation with cytoarchitecture." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=39389.
Full textNormal cats were found to have a topographically organized representation of the body in primary somatosensory cortex. As determined by cortical mapping procedures, approximately 60% of this representation is responsive to deep and cutaneous inputs from the forearm and forepaw. Immediately, following the nerve transections, most if not all of the representation from these nerves were unresponsive to any kind of natural somatic stimuli. With time, cortical responsiveness was recovered and representation of inputs adjacent to the denervated area only partially expanded into the former forelimb representation. The time course of changes in the somatotopy, modality and various response characteristics differed among cytoarchitectonic areas. Major reorganizational changes occurred within area 3b while area 3a remained relatively unresponsive for a period of at least two months.
These findings suggest that cortical representations of denervated territories can become, over time, activated by substitute inputs. However, cortical reorganization may occur only over a limited extent of the body representation within the primary somatosensory area. The results presented here are discussed in the context of several different hypotheses concerning the mechanisms of cortical reorganization following peripheral injury.
Sousa, Carlos Augusto dos Santos. "Origem e distribui??o antim?rica dos nervos do plexo braquial em Macaca mulatta (Zimmermann, 1780) (Cercopithecidae, Primates)." Universidade Federal Rural do Rio de Janeiro, 2016. https://tede.ufrrj.br/jspui/handle/jspui/1548.
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Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior
Morphology studies provide knowledge that allow us to understand how animals interact with the natural environment or in captivity. In this context, the comparative anatomy of the formation of the brachial plexus awakens interest since the nineteenth century and remains one of the most intriguing topics of contemporary anatomy. The aim of this study was to describe the origin and the antimeric distribution of the brachial plexus nerves in Macaca mulatta, as well as the innervated muscles. Ten male rhesus monkeys (Macaca mulatta) were used, from the Non-human Primates? Breeding Department at the Laboratory Animals Breeding Centre (Cecal/Fiocruz), donated to the Animal Anatomy Department of the Rural Federal University of Rio de Janeiro (UFRRJ). The specimens were fixed in formaldehyde solution by infusion of 10% solution. They were subsequently wrapped in a low-density polythene container with 500 liters of formaldehyde 30% solution over a period of 12 months. After this period, they were washed in running water and subjected to X-ray examinations of the neck at the Small Animals Veterinary Hospital of the UFRRJ to characterize the number of cervical vertebrae. Then, they had both antimeres dissected aiming at the exposure of the origins and the nerves arising from the brachial plexus. Data were presented both in absolute frequency and in simple percentage. In 11 (55%) animals the resulting nerves were constituted by the connections between the ventral spinal branches C5, C6, C7, C8 and T1. In 5 (25%) animals, the participants roots were C4, C5, C6, C7, C8, T1 and T2. In 2 (10%) animals C5, C6, C7, C8, T1 and T2. In the other 2 (10%) animals the formation of the plexus was observed from C6, C7, C8, T1 and T2. The ventral branches formed three nerve trunks: cranial, middle and caudal. The suprascapular nerves, subscapular, axillary, musculocutaneous, radial, median, ulnar innervated the intrinsic muscles and the subclavian nerve innervated the thoracodorsal, medial cutaneous arm and forearm, long thoracic, cranial pectoral and caudal pectoral innervate extrinsic muscles. The results obtained in this study contribute to the comparative anatomy of primates and to the information for applied research, serving as basis for clinical and surgical procedures that uses this species as an animal model.
Estudos morfol?gicos fornecem conhecimentos que permitem entender o modo como os animais interagem com o ambiente natural ou em cativeiro. O objetivo desse estudo foi descrever a origem e a distribui??o antim?rica dos nervos do plexo braquial em Macaca mulatta, assim como dos m?sculos inervados. Foram utilizados 10 cad?veres de Macaca mulatta do sexo masculino, oriundos do Servi?o de Cria??o de Primatas N?o Humanos do Centro de Cria??o de Animais de Laborat?rio (Cecal/Fiocruz) doados a ?rea de Anatomia Animal da Universidade Federal Rural do Rio de Janeiro (UFRRJ). Os esp?cimes foram fixados com perfus?o de solu??o de formalde?do a 10%. Posteriormente, foram acondicionados em caixas de polietileno de baixa densidade com capacidade de 500 litros contendo solu??o de formalde?do a 30% por um per?odo de 12 meses. Ap?s este per?odo, foram lavados em ?gua corrente e submetidos a exames radiogr?ficos da regi?o cervical no Hospital Veterin?rio de Pequenos Animais da UFRRJ para a caracteriza??o do n?mero de v?rtebras cervicais. Em seguida, foram dissecados at? a exposi??o das origens e dos nervos oriundos do plexo braquial. Os dados foram representados em frequ?ncia absoluta e percentual simples. Em 11 (55%) os nervos resultantes foram constitu?dos das conex?es entre os ramos espinhais ventrais de C5, C6, C7, C8 e T1. Em 5 (25%) as ra?zes participantes foram C4, C5, C6, C7, C8, T1 e T2. Em 2 (10%) de C5, C6, C7, C8, T1 e T2. Em outros 2 (10%) verificamos a constitui??o do plexo a partir de C6, C7, C8, T1 e T2. Os ramos ventrais formaram tr?s troncos nervosos: cranial, m?dio e caudal. Os nervos supraescapular, subescapulares, axilar, musculocut?neo, radial, mediano, ulnar inervaram a musculatura intr?nseca e os nervos subcl?vios, toracodorsal, tor?cico longo, peitoral cranial e peitoral caudal inervaram a musculatura extr?nseca. Tamb?m foram registrados os nervos cut?neos oriundos do plexo braquial, sendo eles o nervo cut?neo medial do bra?o, nervo cut?neo medial do antebra?o e ramos para a musculatura cut?nea do tronco. Os dados descritos neste estudo contribuem para a anatomia comparada de primatas e fornecem informa??es para a pesquisa aplicada, servindo como base para procedimentos cl?nico-cir?rgicos em que venha a se utilizar esta esp?cie como modelo experimental.
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