The symptomatology of upper respiratory tract infections and exercise in elderly people

Article Abstract:

Results reveal a significant correlation between number of weeks with upper respiratory tract infections (URTI) and sport activity index. Data further indicate that over long time periods URTI is inversely related to energy expenditure during exercise.

Physical fitness, Observations, Respiratory tract infections

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Influence of fatigue on EMG/force ratio and cocontraction in cycling

Article Abstract:

Fatigue and its influence on electromyography (EMG)/force ratio and cocontraction in cycling are discussed. It has been found that a decrease in coactivation likely exists as agonist force is lost. The decrease in coactivation with fatigue has not been reported before. Probably it is the result of the training status of subjects. They may have learned to use antagonist muscles better to efficiently transfer force/power to rotating pedals. Coordination may be adapted to cope with fatigue of power-producer muscles.

Sports, Cycling, Motor ability, Motor skills, Fatigue

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Relationship of physical activity and fitness to lipid and lipoprotein (a) in elderly subjects

Article Abstract:

This article describes research to determine the relationship between maximal oxygen consumption and physical activity to the effect on lipoprotein(a) and blood lipids. Results suggest there is a favorable relationship between physical fitness and the blood lipid profile of aged people.

Health aspects, Research, Lipoproteins

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