NUTRITION IN SPORT
tion. This decline occurs principally via deami- nation of AMP to inosine monophosphate (IMP) but also by the dephosphorylation ...
the blood glucose can make to carbohydrate metabolism in the active muscles. If glycogen, rather than blood glucose, is the subs ...
glycolytic intermediates, but when this happens, the associated hydrogen ions cause intracellular pH to fall. Some lactate will ...
it would interfere with cell function. The normal pH of the muscle cell at rest is about 7.1, but this can fall to as low as 6.4 ...
mitochondrial membrane. The flow of H+ions (protons) through this complex constitutes a proton-motive force that is used to driv ...
One potential problem with the oxidative regeneration of NAD+is that the reactions of oxidative phosphorylation occur within the ...
Carbohydrate and fat stores Carbohydrates (CHO) are stored in the body as the glucose polymer called glycogen. Normally, about 3 ...
stores become depleted, protein catabolism may become an increasingly important source of energy for muscular work. Regulation o ...
and inhibition of PFK, thus slowing the rate of glycolysis and glycogenolysis. This forms the basis of the ‘glucose–fatty acid c ...
A key regulatory point in the TCA cycle is the reaction catalysed by citrate synthase. The activ- ity of this enzyme is inhibite ...
cortisol secretion is stress-induced release of adrenocorticotrophic hormone from the anterior pituitary gland. Metabolic respon ...
34 nutrition and exercise ATP resynthesis. Anaerobic glycolysis involves several more steps than PCr hydrolysis. However, compar ...
In the latter hypothesis, accumulation of intersti- tial potassium in muscle may play a major role (Sjogaard 1991; Bangsbo 1997) ...
glycogen levels decline. The utilization of blood glucose is greater at higher workrates and increases with exercise duration du ...
only the central nervous system. Approximately 70% of this release is derived from liver CHO stores and the remainder from liver ...
skeletal muscle. Canadian Journal of Physiology and Pharmacology 60 , 427–439. Galbo, H. (1983) Hormonal and Metabolic Adaptatio ...
Introduction By virtue of its mass and unique potential to increase metabolic rate, skeletal muscle is man’s largest ‘metabolic ...
Atherosclerotic vascular diseases Pathological changes to the arterial wall give rise to atherosclerotic plaques, complex struct ...
1986); the risk of first attack was one quarter to one third lower in men who expended more than 8.36 MJ · week–1 (2000 kcal · w ...
and continuing activity protects against heart disease; men who were active in their youth but became sedentary in middle-age ex ...
«
1
2
3
4
5
6
7
8
9
10
»
Free download pdf