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  • 1
    ISSN: 1469-8986
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine , Psychology
    Notes: The relationship between blood pressure in the laboratory (both at rest and in response to laboratory tasks) and ambulatory blood pressure at home and at work was evaluated. One hundred nineteen normotensive and unmedicated mild-moderate hypertensive black and white females and males participated in laboratory blood pressure monitoring at rest and during four challenging tasks (structured interview, video game, bicycle exercise, and cold pressor test) as well as ambulatory blood pressure monitoring while at home and at work. Baseline blood pressure taken while subjects were at rest was the strongest predictor of ambulatory systolic blood pressure (r=.64) and diastolic blood pressure (r=.77) at work. Among reactivity tasks the strongest predictors of ambulatory blood pressure in the total population were the structured interview and the video game (both psychological tasks) followed by the cold pressor test. Racial comparisons, however, determined that the cold pressor test predicted diastolic blood pressure significantly better for blacks (r=.73) than for whites (r=.40), suggesting a possible difference in blood pressure regulation.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1439-6327
    Keywords: Distance running ; Exercise ; Glucagon
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Twelve highly conditioned long-distance runners were studied to determine the effects of marathon (42 km) and 10,000 m running on plasma immunoreactive glucagon (IRG), serum immunoreactive insulin (IRI), and serum glucose (G) levels. Blood samples were drawn just prior to and immediately upon completion of the run. Marathon running resulted in no significant change in G, IRI, or IRG levels. After running 10,000 m, plasma IRG levels did not change significantly, while IRI and G increased significantly. In evaluating the pooled data from both runs, a significant inverse correlation was observed between δG and δIRG. This relationship between δG and δIRG suggests that glucagon plays a role in maintaining normal blood glucose levels during strenuous exercise.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    European journal of applied physiology 38 (1978), S. 301-305 
    ISSN: 1439-6327
    Keywords: 10,000 m run ; Glucose ; Insulin ; Lipids
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Thirteen conditioned athletes were studied before and 5 min after running 10,000 m. This distance was run in an average of 41±4 min. All runners lost weight and accompanying this weight loss was an increase in the serum osmolality in the six runners in which it was measured. There was a significant increase in serum glucose (96±11 mg-% before run; 170±48 mg-% after run) and this increase was inversely correlated with running time. There was also a small, but significant, increase in serum insulin (15±2 ΜU/ml before run; 19±4 ΜU/ml after run). There was no consistent effect of running 10,000 m on serum cholesterol and triglyceride levels and on plasma lipoprotein electrophoresis patterns.
    Type of Medium: Electronic Resource
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