Now showing items 89-108 of 140

    • New developments in sports nutrition: introduction and historical overview 

      Aragón Vargas, Luis Fernando (2003)
      The science of sports nutrition is quickly growing to maturity. The last two decades have seen the publication of the International Journal of Sports Nutrition and many sound textbooks such as those edited by Ron Maughan ...
    • El niño agredido y la desnutrición: observaciones epidemiológicas en Costa Rica 

      Mata Jiménez, Leonardo; Quesada, Ana Virginia; Saborío, Flory; Mohs Villalta, Edgar (Revista Médica del Hospital Nacional de Niños Dr. Carlos Sáenz Herrera: 15(1), 137-148. 1980, 1980)
      The present paper analyzes hospital records of 33 cases of battered child syndrome in connection with variables of the mother and in relation to the nutrítional state of the children involved. Associations indicate that ...
    • No effect of carbohydrate feeding on 16 km cycling time trial performance 

      Jeukendrup, Asker E.; Hopkins, Shaun; Aragón Vargas, Luis Fernando; Hulston, Carl (2008-11-24)
      The aim of this study is to investigate the effects of CHO ingestion during high intensity exercise performance lasting approximately 25 min. Twelve endurance trained male cyclists (age 19–41 years; body mass 73.2 ± ...
    • La nutrición en Costa Rica 

      de Céspedes Montealegre, Carlos (1991)
      El nuevo Hospital Nacional de Niños se había inaugurado cinco años atrás; sus flamantes instalaciones contrastaban con la incómoda construcción de madera del Hospital San Juan de Dios, nuestro Hospital General. No obstante ...
    • Nutrition and health in societies in transition 

      Mata Jiménez, Leonardo (In: Nutrition in Transition: Proceedings of the Western Hemisphere Nutrition Congress V, Quebec 1977, edited by Philip L. White and Nancy Selvey. (Chicago) American Medical Association, 1978, pp. 351-358, 1978-02-01)
      One often hears the expression that a country or society is "in transition," but there is not a clear definition of such, nor is there an effort to quantitate or characterize the level of transition undergone by a given ...
    • Nutrition and infection 

      Mata Jiménez, Leonardo (Tropical and Geographical Medicine. New York: McGraw-Hill, pp. 206-211, 1984)
      The association of malnutrition and infectious disease (faminepestilence) had been recognized since the beginning of human history, but it was not until the late 1950s that such an interaction was scientifically documented ...
    • Nutritional status of the elderly in Palmares, Costa Rica 

      Havlir, Diane V.; Murillo González, Sandra; Robles, Eduardo; Trejos Willis, Alfonso; Mata Jiménez, Leonardo (Arch Latinoam nutr 33 (2) 409-422, 1983-04-01)
      The nutritional status of aged persons living in a small Costa Rican community was evaluated using anthropometric measurements, clinical findings and dietary surveys. Eighteen per cent of the aged were overweight, a condition ...
    • Oral rehydration and maintenance of children with rotavirus and bacterial diarrhoeas 

      Nalin, David R.; Levine, Myron M.; Mata Jiménez, Leonardo; de Céspedes Montealegre, Carlos; Vargas, William; Lizano, Cecilia; Loría, Alba Rosa; Simhon Edgar, Alberto; Mohs Villalta, Edgar (Bull World Health Organ. 1979; 57(3): 453–459, 1979)
      To determine whether oral glucose-electrolytes therapy could be adapted with equal success to infants with diarrhoea of bacterial and viral etiologies, oral glucose-electrolytes therapy was studied in a setting where all ...
    • Oral rehydration of neonates with dehydrating diarrhoeas 

      Pizarro Torres, Daniel; Mata Jiménez, Leonardo; Posada S., Gloria; Nalin, David R.; Mohs Villalta, Edgar (The Lancet Vol 314(8154): 1209-1210. Dec 08, 1979., 1979-12-08)
      Thirty-nine of forty neonates with mean dehydration equivalent to 6.7% of bodyweight were orally rehydrated with a glucose/electrolyte solution. Only one patient required any intravenous fluids for rehydration. ...
    • La percepción de la sed durante la deshidratación por ejercicio es la misma en un ambiente húmedo y en un ambiente seco 

      Capitán Jiménez, Catalina; Aragón Vargas, Luis Fernando (2016-08)
      La sed ha sido un mecanismo para controlar hidratación muy criticado a lo largo del tiempo, confiar la homeostasis del cuerpo durante el ejercicio a un mecanismo subjetivo como la sed es un tema controversial. Este estudio ...
    • Percepción de sed e ingesta de líquido después del ejercicio en el calor 

      Aragón Vargas, Luis Fernando; Capitán Jiménez, Catalina (2016-08)
      La sudoración durante el ejercicio en el calor puede producir una deshidratación importante que debe reponerse mediante la ingesta de líquido. Este estudio experimental evalúa la afirmación de que la ingesta voluntaria de ...
    • Perceptions of food availability and self-reported dietary intake in urban Costa Rican women: A pilot study 

      Bekelman, Traci A.; Santamaría Ulloa, Carolina; Dufour, Darna L.; Dengo Flores, Ana Laura
    • Post-exercise rehydration with beer impairs fluid retention, reaction time, and balance 

      Flores Salamanca, Rebeca; Aragón Vargas, Luis Fernando (2014-03-05)
      Beer is promoted by the popular media as a good choice for rehydration, but there is limited support for the claim. To assess the effect of beer alcohol on rehydration and motor control, 11 young (24.4 ± 3.7 y.o.) males ...
    • Post-exercise Rehydration: Potassium-rich Drinks vs. Water and a Sports Drink 

      Pérez Idárraga, Alexandra; Aragón Vargas, Luis Fernando (2014-05-20)
      Fluid retention, thirst quenching, tolerance, and palatability of different drinks were assessed. On four different days, 12 healthy, physically active volunteers (24.4 ± 3.2 years old, 74.75 ± 11.36 kg body mass (mean ± ...
    • Predictive validity of body fat percentage by bioimpedance compared with deuterium oxide dilution in Costa Rican schoolchildren 

      Zamora Alfaro, José Antonio; Laclé Murray, Adriana (2017-06-19)
      OBJECTIVE: The purpose of this study was to verify the validity of body fat percentage (BF%) by bioelectrical impedance analysis (BIA) in a sample of Costa Rican schoolchildren. METHODS: The sample consisted of 52 male ...
    • Prevalencia de parasitosis en niños de 1 a 7 años en condición de vulnerabilidad en la Región Central Sur de Costa Rica 

      Solano Barquero, Melissa; Montero Salguero, Adrián; León Alán, Dennis; Santamaría Ulloa, Carolina; Mora Mora, Ana María; Reyes Lizano, Liliana (2018)
      Objetivo: Actualizar la información sobre la prevalencia de parasitosis en niños en Costa Rica y la relación de esta con factores socioeconómicos. Metodología: se realizó un estudio para determinar la prevalencia de ...
    • Program development for interventions in the nutrition-infection complex 

      Keusch, Gerald T.; Katz, Michael; Koster, Frederick T.; Mata Jiménez, Leonardo; Rosenberg, Irwin H.; Solomons, Noel W. (National Academy of Sciences, noviembre 1978, 1978)
      The magnitude of malnutrition in the world is staggering. In addition to its major causative factors, which relate specifically to food availability at the household level, infectious diseases are an omnipresent and important ...
    • Promoción de la seguridad alimentaria y nutricional en las Ferias del Agricultor: "Una oportunidad para el fortalecimiento de los mercados locales"" 

      Mora, Irene; Román Cabezas, Silvia; Spencer Patterson, Karleen (2013-03-31)
      Este es un informe del proyecto de la Escuela de Nutrición, UCR, que pretende fortalecer las ferias del agricultor en Tres Ríos y Desamparados, como una forma de promover la seguridad alimentaria y el comercio justo. Se ...
    • Promoción y apoyo de una alimentación complementaria apropiada en el periodo del destete y el uso de recursos locales para este fin 

      Vargas, William (Revista Médica del Hospital Nacional de Niños Dr. Carlos Sáenz Herrera, 14(1): 53-79. 1979, 1979)
      La experiencia acumulada en la última década sobre los factores que favorecen o interfieren el crecimiento y desarrollo normal del niño, permite reconocer que la alimentación juega un papel preponderante. En base a este ...
    • Promotion of Breast Feeding, Health, and Survival of Infants Through Hospital and Field Interventions 

      Mata Jiménez, Leonardo; Carvajal, Juan J.; García, María Eugenia; Sáenz, Patricia; Allen, María de los Ángeles; Araya, José R.; Rodríguez, María E. (Malnutrition: Determinants and consequences.New York: Liss, Inc 123-138, 1984)
      Most authorities agree that the decline in the rate and duration of breast feeding in urban areas in many developing countries has been the result of urbanization and influences of Western culture. Two sequalae have been ...