Actividad física y enfermedad

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Abstract

El sedentarismo es hoy día muy frecuente en nuestra sociedad y constituye un factor de riesgo para una amplia patología. La actividad física proporciona unos efectos beneficiosos múltiples que disminuyen la morbi-mortalidad general. Se establecen las diferencias entre ejercicio, actividad y forma física. Se comentan las particularidades fisiopatológicas de los ejercicios aerobio y anaerobio y sus beneficios sobre la salud. Se enumeran los principales procedimientos de medida de la actividad física: calorimetría, METS, cuentapasos, pulsómetros y encuestas-cuestionario. Se describen referencias prácticas para llevar a cabo un actividad física suficiente en la vida diaria.

Translated abstract

The sedentarism is a frecuent situation in our modern society, and represents a risk factor for a vast array of pathology. The physical activity produces several positive effects, which decreases the general morbi-mortality of the population. There is made a commentary about some definitions: Exercise, activity and physical form, aerobic and anaerobic work, muscle exercise. Their pathophysiology and their health benefits. We described the measurement procedures: calorimetry, oxigen consum, accelerometers, pulsometers and cuestionnaries. There is finally done a review upon practical norms.

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Individual differences in response to regular physical activity.

CLAUDE BOUCHARD, TUOMO RANKINEN (2001)

The purpose of this review was to address the question of interindividual variation in responsiveness to regular exercise training and to define the contributions of age, sex, race, and pretraining phenotype level to this variability. A literature review was conducted of the studies reporting interindividual variation in responsiveness to standardized and controlled exercise-training programs, and included an analysis of the contribution of age, sex, race, and initial phenotype values to the heterogeneity in VO(2max), high-density lipoprotein (HDL)-C and submaximal exercise, heart rate (HR), and systolic blood pressure (SBP) training responses in subjects from the HERITAGE Family Study. Several studies have shown marked individual differences in responsiveness to exercise training. For example, VO(2max) responses to standardized training programs have ranged from almost no gain up to 100% increase in large groups of sedentary individuals. A similar pattern of heterogeneity has been observed for other phenotypes. Data from the HERITAGE Family Study show that age, sex, and race have little impact on interindividual differences in training responses. On the other hand, the initial level of a phenotype is a major determinant of training response for some traits, such as submaximal exercise heart rate and blood pressure (BP) but has only a minor effect on others (e.g., VO(2max), HDL-C). The contribution of familial factors (shared environment and genetic factors) is supported by data on significant familial aggregation of training response phenotypes. There is strong evidence for considerable heterogeneity in the responsiveness to regular physical activity. Age, sex, and ethnic origin are not major determinants of human responses to regular physical activity, whereas the pretraining level of a phenotype has a considerable impact in some cases. Familial factors also contribute significantly to variability in training response.

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The relative influence of individual, social and physical environment determinants of physical activity.

Billie Giles-Corti, Robert J Donovan (2002)

Environmental determinants of health are receiving growing attention in the literature, although there is little empirical research in this area. The Study on Environmental and Individual Determinants of Physical Activity (known as the SEID project) was a social ecological project that examined the relative influence of individual, social environmental and physical environmental determinants of recreational physical activity. It involved a community survey of 1803 healthy workers and home-makers aged 18-59 years living in a 408 km2 area of metropolitan Perth, Western Australia. Physical environmental determinants were mainly conceptualised as spatial access to popular recreational facilities. Overall, 59% of respondents exercised as recommended. Recreational facilities located near home were used by more respondents than facilities located elsewhere. The most frequently used facilities were informal: the streets (45.6%); public open space (28.8%) and the beach (22.7%). The physical environment's directs the influence on exercising as recommended was found to be secondary to individual and social environmental determinants. Nevertheless, accessible facilities determined whether or not they were used and in this way, support and enhance the achievement of recommended levels of physical activity behaviour by providing opportunities. The results suggest that access to a supportive physical environment is necessary, but may be insufficient to increase recommended levels of physical activity in the community. Complementary strategies are required that aim to influence individual and social environmental factors. Given the popularity of walking in the community, it is recommended that greater emphasis be placed on creating streetscapes that enhance walking for recreation and transport.

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Relationship between physical activity and inflammation among apparently healthy middle-aged and older US adults.

Viola Vaccarino, Beth Abramson (2002)

Physical activity has been associated with a reduced risk of coronary heart disease, but the mechanism underlying this association is unclear. Because coronary heart disease is increasingly seen as an inflammatory process, it might be reasonable to hypothesize that physical activity reduces risk of coronary heart disease by reducing or preventing inflammation. The study examined the relationship between physical activity and elevated inflammation as indicated by a high C-reactive protein level, white blood cell count, or fibrinogen level. Study subjects were 3638 apparently healthy US men and women 40 years and older who participated in the Third National Health and Nutrition Examination Survey. More frequent physical activity was independently associated with a lower odds of having an elevated C-reactive protein level. Compared with those engaging in physical activity 0 to 3 times per month, the odds of having an elevated C-reactive protein level was reduced among those engaging in physical activity 4 to 21 times per month (odds ratio, 0.77; 95% confidence interval, 0.58-1.02) and 22 or more times per month (odds ratio, 0.63; 95% confidence interval, 0.43-0.93) (P for trend,.02). Similar associations were seen for white blood cell count and fibrinogen levels. More frequent physical activity is independently associated with a lower odds of having elevated inflammation levels among apparently healthy US adults 40 years and older, independent of several confounding factors. The results suggest that the association between physical activity and reduced coronary heart disease risk may be mediated by anti-inflammatory effects of regular physical activity.

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Author and article information

Contributors

J. L. Escolar Castellón: Role: ND

C. Pérez Romero de la Cruz: Role: ND

R. Corrales Márquez: Role: ND

Journal

Journal ID (publisher-id): ami

Title: Anales de Medicina Interna

Abbreviated Title: An. Med. Interna (Madrid)

Publisher: Arán Ediciones, S. L. (, , Spain )

ISSN (Print): 0212-7199

Publication date (Print and electronic): August 2003

Volume: 20

Issue: 8

Pages: 43-49

Affiliations

[01] orgnameHospital Universitario Virgen de la Victoria orgdiv1Servicio de Medicina Interna

[02] Málaga orgnameHospital Universitario Virgen de la Victoria orgdiv1Servicio de Fisioterapia y Rehabilitación

Article

Publisher ID: S0212-71992003000800010

DOI: 10.4321/s0212-71992003000800010

SO-VID: a9f2f7c6-ead9-46fc-b48a-941d4115a465

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This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 International License.

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Figures: 0, Tables: 0, Equations: 0, References: 94, Pages: 7

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SciELO Spain

Keywords: Actividad física y enfermedad,Physical activity and disease

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Keywords: Actividad física y enfermedad, Physical activity and disease

Actividad física y enfermedad Translated title: Physical activity and disease

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Abstract

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Most cited references 143

Individual differences in response to regular physical activity.

The relative influence of individual, social and physical environment determinants of physical activity.

Relationship between physical activity and inflammation among apparently healthy middle-aged and older US adults.

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