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Search Results: 1 - 10 of 72469 matches for " Ant?nio Carlos Stringhini Guimar?es "
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Intera o de variáveis biomecanicas na composi o de "feedback" visual aumentado para o ensino do ciclismo Interacción de variables biomecánicas en la composición de feedback visual aumentado para el ense anza del ciclismo Interaction of biomechanical variables in the composition of visual augmented feedback for learning cycling
Guilherme Garcia Holderbaum,Ricardo Demétrio de Souza Petersen,Antnio Carlos Stringhini Guimares
Revista Brasileira de Educa??o Física e Esporte , 2012, DOI: 10.1590/s1807-55092012000400003
Abstract: O objetivo deste estudo foi testar uma metodologia para o ensino da técnica da pedalada do ciclismo utilizando variáveis biomecánicas para desenvolver um sistema de "feedback" visual aumentado (FVA). Participaram do estudo 19 indivíduos, sem experiência no ciclismo , divididos em grupo experimental (n = 10) e controle (n = 9). Inicialmente foi realizado um pré-teste para determinar o consumo máximo de oxigênio (VO2máx) bem como a carga de trabalho utilizada nas sess es práticas que correspondeu a 60% do VO2máx. Em seguida foram realizadas sete sess es de prática. O grupo experimental foi submetido ao FVA e o grupo controle ao "feedback" aumentado (FA). O teste de reten o mostrou um aumento de 21 % na média do índice de efetividade (IE) do grupo experimental quando comparado ao grupo controle. Os resultados mostraram que variáveis biomecánicas s o apropriadas para o desenvolvimento de FVA e podem contribuir no processo de ensino-aprendizagem da técnica da pedalada do ciclismo. El objetivo de este estudio fue probar una metodología para ense ar la técnica de el ciclismo mediante la utilización de variables biomecánicas para desarrollar un sistema de feedback visual aumentado (FVA). Fue aplicado en 19 personas sin experiencia en el ciclismo, divididos en dos grupos (experimental = 10 y control = 9). Inicialmente se realizó un pre-test para determinar el consumo máximo de oxígeno (VO2max) y la carga de trabajo utilizada en las sesiones de práctica que correspondía al 60% del VO2máx. El grupo experimental fue sometido a la FVA y el control a la feedback aumentado (FA). El ensayo de retención mostró un aumento del 21% en la media del índice de eficacia (IE) en el grupo experimental en comparación con el grupo control. Los resultados mostraron que las variables biomecánicas son apropiadas para el desarrollo de la FVA y puede contribuir al proceso de ense anza y aprendizaje del ciclismo. The aim of this study was to test a methodology to teach the pedaling technique of cycling using biomechanics variables to develop an augmented visual feedback system (AVF). Nineteen subjects divided in two groups (experimental = 10 and control = 9) without experience in cycling were used. A pre-test was conducted to determine the maximal oxygen uptake (VO2máx) , and to establishe the work load to be used during the learning sessions which was defined to be the load that was associated with the 60% of VO2máx . Seven practice sessions were held. The experimental group was submitted to AVF and the control group to augmented feedback (AF). After the practice sessions, the retenti
Proposta metodológica para a avalia??o da técnica da pedalada de ciclistas: estudo de caso
Diefenthaeler, Fernando;Bini, Rodrigo Rico;Nabinger, Eduardo;Laitano, Orlando;Carpes, Felipe Pivetta;Mota, Carlos Bolli;Guimares, Antnio Carlos Stringhini;
Revista Brasileira de Medicina do Esporte , 2008, DOI: 10.1590/S1517-86922008000200014
Abstract: many techniques have been used in biomechanics to describe the cycling movement. the purpose of this study is to proposal a specific methodology to evaluation the forces applied on the pedal. an experienced elite cyclist was submitted to a protocol which consisted of four different saddle positions (upward, downward, forward, and backward) assuming as reference position the one used by the cyclist in training and competition. the displacement of the saddle was of 1cm in all tests. the individual's bicycle was connected to a magnetic cycle simulator. the load was normalized by a physiological criterion (ventilatory threshold), to simulate the cyclist's race rhythm. the right regular pedal was replaced by a 2d instrumented pedal to record the force normal and tangential components applied on it. mean impulse of the angular effective force was calculated from ten consecutive pedaling cycles. the four different saddle positions have modified the effective angular pedaling impulse comparing with the reference position. relatively small saddle adjustments may affect the effective angular pedaling impulse and supposedly cycling performance.
Aspectos radiológicos torácicos na paracoccidioidomicose
Valle, Antnio Carlos Francesconi do;Guimares, Regina Rodrigues;Lopes, Danilo Jeronymo;Capone, Domenico;
Revista do Instituto de Medicina Tropical de S?o Paulo , 1992, DOI: 10.1590/S0036-46651992000200005
Abstract: in this paper the authors analyse 159 radiographs from paracocidioidomycosis patients seen at the evandro chagas hospital/fiocruz in the period between january 1960 to december 1988. twenty four cases (15.09%) of association with tuberculosis were observed; one with pneumoconicosis; one with aspergillosis, and two with carcinoma. twenty cases were excluded from the radiologic analisis: in 8 of these the diagnosis of tuberculosis occured concomitantly, and in 12 patients, lung fibrosis due to previous treatment for tuberculosis or paracoccidioidomycosis was present in. the 139 remaining cases, the radiographic abnormalities encountered were grouped according to the predominance of lesions at the various lung sites, if alveolar or interstitial, according to magalh?es' (1982) classification modified by the authors: infiltrate 55 cases (39.6%); mist 28 (20.1%); pneumonic 23 (16.6%); nodular 16 (11.5%); micronodular 10 (7.2%), and fibrotic 7 (5.0%). in 113 cases it was possible to follow the regression of the pulmonary process radiologically. in 85 (75.2%) patients, regression took place within 6 months; in 17 (15.0%) cases between 7 and 12 months; in 4 (3.5%) between 13 and 24 months, and in 7 (6.1%) cases no changes in the radiographic pattern were noted
SURTO DE SARNA CORIóPTICA EM CAPRINOS NA CIDADE DE GRAVATá, REGI O AGRESTE DO ESTADO DE PERNAMBUCO OUTBREAK OF CHORIOPTIC MANGE IN GOATS IN THE CITY OF GRAVATá IN PERNAMBUCO′S AGRESTE REGION
Janaina Azevedo Guimares,Alexandre Cruz Dantas,Antnio Carlos Lopes Camara,José Augusto Bastos Afonso
Ciência Animal Brasileira , 2009,
Abstract: A sarna corióptica é de rara ocorrência em caprinos, no entanto trata-se de uma enfermidade cutanea importante, resultando em perdas econ micas decorrentes do retardo no desenvolvimento dos animais, da perda de peso e do prejuízo à indústria de couro. Desse modo, o objetivo do presente artigo é relatar a ocorrência de um surto de sarna corióptica em um rebanho caprino criado no município de Gravatá (Lat. 08° 12’ 04’’ S e Long. 35° 33’ 53’’ O), regi o Agreste do estado de Pernambuco. Os animais apresentavam extensas áreas de alopecia, eritema, crostas e espessamento da pele na regi o das axilas, peito, ventre e as faces caudal e craniomedial dos membros posteriores, além de intenso prurido. Foi realizado raspado cutaneo e identificado o ácaro Chorioptes bovis spp. PALAVRAS-CHAVES: Caprinos, Chorioptes spp, sarna. Chorioptic mange is of rare occurrence in goats, although it is an important skin disease resulting in economic loss due to the delay in the development of the animals, weight loss and economic losses to the leather industry. Thus, the aim of the present article was to report the occurrence of an outbreak of chorioptic mange in a goat flock reared in the city of Gravatá, (Lat. 08° 12’ 04’’ S and Long. 35° 33’ 53’’ W) in Pernambuco′s Agreste region. The animals showed wide alopecia areas, erythema, crusts and skin thickness in the following areas: armpits, sternum, ventral abdomen, caudal and cranium-medial facets of the hind legs and severe scratching. Chorioptes bovis spp was identified in skin scrapings. KEY WORDS: Chorioptes spp, goats, mange.
Diagnóstico laboratorial da infec??o pelo vírus herpes simples (HSV) em pacientes transplantados e n?o-transplantados
Varella, Rafael B.;Pires, Ivone L.;Saraiva, Carlos Alberto;Guimares, Antnio Carlos C.;Guimares, Maria Angélica A. M.;
Jornal Brasileiro de Patologia e Medicina Laboratorial , 2005, DOI: 10.1590/S1676-24442005000400007
Abstract: background: herpes simplex virus (hsv) is divided in two serotypes (hsv-1 and hsv-2) responsible for labial end genital herpes, respectively. although the infection caused by hsv has a rapid course, this agent is frequently related to complications in immunocompromised patient?s treatment, like transplanted individuals as an opportunistic agent. objectives: to compare and evaluate three current diagnosis techniques for hsv diagnosis in transplanted and non-transplanted patients. material and methods: 84 consecutive clinical samples from 47 transplanted and 37 non-transplanted individuals were collected from june 2001 to july 2002, being simultaneously submitted to nested multiplex pcr (nmpcr), multiplex pcr (mpcr) and viral isolation (vi) in vero cells. results: 33.3%(28/84) samples were hsv-positive by vi, 35.4%(29/84) by mpcr and 42.8%(36/84) by nmpcr. 85.7% (24/28) samples were characterized as hsv-1 by the direct immunofluorescence technique (dif), 86.2%(25/29) by mpcr and 88.9%(32/36) by nmpcr. 4.8%(4/84) samples were characterized as hsv-2 by the three techniques. there was no significant difference regarding hsv diagnosis among the techniques (p = 0.38), although nmpcr detected more samples from transplanted patients (p = 0.05). conclusion: although the three techniques presented similar performances, the nmpcr revealed to be an useful tool for transplanted patients or those under antiviral treatment, where a low viral load in their samples is expected.
Estudio radiográfico de las alteraciones morfológicas de la apófisis estiloide y de la rotación del cóndilo mandibular en pacientes con desorden temporomandibular
Ragone Guimares,Simone Maria; Cherfên Peixoto,Breno; Batista Gomes,Marden; Pires Carvalho,Antnio Carlos; Parreira Guimares,Josemar; Médici Filho,Edmundo;
Acta Odontológica Venezolana , 2010,
Abstract: the aim of this study was to assess radiographically the possible relations between the morphological variations of the styloid process of the temporal bone and the pattern of the condylar excursions in patients with temporomandibular disorders. 1500 conventional x-rays of temporomandibular joints were analyzed, all of them from the servi?o-atm-fo/ufjf files. the results show that 83 patients (5.53%) had at least one morphologic variation of the styloid process, among which 09 (10.8%) were male and 74 (89.2%) female. most of these patients are included in the age group of 41 to 50 years (32.5%). the morphological types were classified as normal (13), elongated (113), pseudoarticulated (21) and segmented (19), totalizing 166 styloid processes. the classification of the condylar excursion was normal (47), condylar hypomobility (30) and condylar hypermobility (89), which totals 166 temporomandibular joints. according to cramer?s v statistic method, evidences that styloid process variations may interfere in the condylar excursion were not found; there is symmetry between the left and right sides concerning both morphological type and condylar excursion
Recipientes e substratos na produ??o de mudas e no desenvolvimento inicial de cafeeiros após o plantio
Vallone, Haroldo Silva;Guimares, Rubens José;Mendes, Antnio Nazareno Guimares;Souza, Carlos Alberto Spaggiari;Dias, Fábio Pereira;Carvalho, Alex Mendon?a;
Ciência e Agrotecnologia , 2009, DOI: 10.1590/S1413-70542009000500019
Abstract: with the objective of evaluating the effects of different recipients and substrates in the production of coffee tree seedlings (coffea arabica l.), an experiment was conducted in the coffee sector of the department of agriculture of universidade federal de lavras - ufla, during the period from september of 2003 to january of 2004. the experiment was arranged in a randomized block design in a factorial arrangement of 3 x 3. the recipients were of rigid polyethylene tubettes /50 ml capacity; tubettes /120 ml capacity; and 10x20cm polyethylene bags, with approximate capacity of 700 ml. the substrates used were alternative substrate, composed of 65% charred rice hulls + 35% commercial substrate; plantmax? vegetables ht commercial substrate; and standard substrate, composed of 70% earth + 30% bovine manure. based on the results obtained, it can be concluded that the recipients and the substrate, being used, can significantly influence the development of coffee tree seedlings; and the recipients of larger volume (polyethylene bags and 120 ml tubettes) filled with the alternative and commercial substrates provide seedlings of a more superior quality.
Diferentes recipientes e substratos na produ??o de mudas de cafeeiros
Vallone, Haroldo Silva;Guimares, Rubens José;Mendes, Antnio Nazareno Guimares;Souza, Carlos Alberto Spaggiari;Cunha, Rodrigo Luz da;Dias, Fábio Pereira;
Ciência e Agrotecnologia , 2010, DOI: 10.1590/S1413-70542010000100006
Abstract: with the objective of evaluating the effects of different recipients and substrates on the production of coffee tree seedlings (coffea arabica l.), an experiment was carried out at the coffee sector of the universidade federal de lavras, mg - ufla, in the period of september 2003 to january 2004. the experiment was arranged in a randomized block design using a 3x3 factorial scheme. the recipients used were rigid polyethylene tubettes /50 ml capacity; tubettes /120 ml; and 10x20cm polyethylene bags with approximate capacity of 700 ml. the substrates used were alternative substrate, composed of 65% charred rice hulls + 35% commercial substrate; plantmax ht?; and standard substrate, composed of 70% soil + 30% (sieved) cattle manure. the results obtained brought us to the conclusion that the type of recipient and substrate, in fact, significantly influence the development of coffee tree seedlings; and the recipients of larger volume (polyethylene bags and 120ml tubettes) filled with alternative and commercial substrates provide seedlings with improved growth rate.
Estabilidade da produ??o de germoplasma de milho avaliado em diferentes regi?es do Brasil
GAMA, ELTO EUGENIO GOMES E;PARENTONI, SIDNEY NETTO;PACHECO, CLESO ANTNIO PATTO;OLIVEIRA, ANTNIO CARLOS DE;GUIMARES, PAULO EVARISTO DE OLIVEIRA;SANTOS, MANOEL XAVIER DOS;
Pesquisa Agropecuária Brasileira , 2000, DOI: 10.1590/S0100-204X2000000600010
Abstract: the objective of this work was the obtention of information on the response pattern of 30 maize genotypes in 14 environments of brazil in 1995/96. the stability parameters of ear yield were estimated. all the genotypes varied for yield adaptability. the three-way cross p 3041 presented the best yield and showed low stability to a deterioration on environmental variations. the open pollinated materials cms 50 and br 106 were, respectively, the first and fifth best yieldings among all the studied maize genotypes, with low adaptation on unfavorable environments. the identification of promising maize genotype was possible for immediate utilization and as a source of germplasm in breeding programs.
Você conhece esta síndrome?
Baeta, Isabela Guimares Ribeiro;Pereira, Ana Carolina Figueiredo;Guedes, Antnio Carlos Martins;Pereira, Luciana Baptista;
Anais Brasileiros de Dermatologia , 2011, DOI: 10.1590/S0365-05962011000300036
Abstract: keratosis linearis with ichthyosis congenita and sclerosing keratoderma (klick) syndrome is a rare autosomal recessive skin disorder characterized by the association of diffuse, transgressive palmoplantar keratoderma with sclerodactyly, linear hyperkeratotic plaques generally located in flexures, and congenital ichthyosis. the patient is physically and mentally healthy and has no history of any problems related to teeth, nails, hair or mucous membranes. treatment is based on the use of topical keratolytics and oral retinoids
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