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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    European journal of applied physiology 60 (1990), S. 144-148 
    ISSN: 1439-6327
    Keywords: Exercise ; Catecholamines ; Atrial natriuretic factor ; Cardiodilatin ; Calcitonin gene related peptide
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The responses of nine men and nine women to brief repetitive maximal exercise have been studied. The exercise involved a 6-s sprint on a non-motorised treadmill repeated 10 times with 30 s recovery between each sprint. The total work done during the ten sprints was 37,693±3,956 J by the men and 26,555±4,589 J by the women (M 〉 F,P〈0.01). This difference in performance was not associated with higher blood lactate concentrations in the men (13.96± 1.70 mmol·−1) than the women (13.09±3.04 mmol·l−1). An 18-fold increase in plasma adrenaline (AD) occurred with the peak concentration observed after five sprints. The peak AD concentration in the men was larger than that seen in the women (9.2 +- 7.3 and 3.7 ± 2.4 nmol · l−1 respectively,P〈0.05). The maximum noradrenaline (NA) concentration occurred after ten sprints in the men (31.6±10.9 nmol·l−1) and after five sprints in the women (27.4 ± 20.8 nmol · l−1). Plasma cardiodilatin (CDN) and atrial natriuretic peptide (ANP) concentrations were elevated in response to the exercise. The peak ANP concentration occurred immediately postexercise and the response of the women (10.8 ± 4.5 pmol · l−1 was greater than that of the men (5.1 ± 2.6 pmol · l−1,P〈0.05). The peak CDN concentrations were 163 ± 61 pmol · l−1 for the women and 135 ± 61 pmol · l−1 for the men. No increases in calcitonin gene related peptide (CGRP) were detected in response to the exercise. These results indicate differences between men and women in performance and hormonal responses. There was no evidence for a role of CGRP in the control of the cardiovascular system after brief intermittent maximal exercise.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European journal of applied physiology 39 (1978), S. 7-16 
    ISSN: 1439-6327
    Keywords: Exercise ; Carbohydrate ; Metabolism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Four subjects were studied during exercise at 50% of maximum oxygen uptake after a normal diet, after a low carbohydrate (CHO) diet following exercise-induced glycogen depletion, and after a high CHO diet. This regime has previously been shown to cause changes in the amount of glycogen stored in the exercising muscles. Metabolic and respiratory parameters were measured during the exercise. The respiratory exchange ratio, blood lactate, blood pyruvate, blood glucose and plasma triglycerides were lower than normal following the low CHO diet and higher than normal following the high CHO diet. Plasma free fatty acids and plasma glycerol were higher than normal after the low CHO diet and lower than normal after the high CHO diet. The contribution of CHO to metabolism was less than normal after the low CHO diet and greater than normal after the high CHO diet. The altered availability of FFA does not appear to be a result of the variations in the blood lactate content.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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