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Succinate dehydrogenase (SDH) and cytochrome oxidase activities in the lateral vastus of the human quadriceps femoris muscle together with total body VO2 max were followed during an 8-10 week period of endurance training (n = 13) and a successive 6 week period without training (n = 8). During the training period there was a gradual increase in both VO2 max(More)
The effect of 7 to 8 weeks of physical training on oxidative and glycolytic enzyme activities in the 2 major fibre types of human quadriceps femoris muscle has been investigated. 2 groups of 4 and 5 subjects respectively were trained at the same total work-load on a bicycle ergometer 3 days per week using interval exercise with maximal intensity (I.T.) or(More)
Nine female Yucatan miniature swine, a breed not previously evaluated for their potential usefulness as a model for experimental atherosclerosis studies, were fed a high-fat, high-cholesterol diet for 10-12 months. These swine and 4 control (low-fat, low-cholesterol-fed) swine underwent a complete necropsy at the end of this period to characterize the(More)
Substrate depktion in dz'fmnt types of muscle and in liver during prolonged running. Am. J. Physiol. 2 2 5(5) : 1045-l 050. 1973,KDepletion of glycogen and triglyceride stores in red, white, and intermediate types of skeletal muscle and of glycogen in liver was studied in rats subjected to prolonged exercise. Groups of rats were killed after 15, 60, and 120(More)
Six obese patients with recent-onset, non-insulin-dependent diabetes underwent assessment of glucose tolerance, insulin secretory capacity, and insulin-induced glucose disposal before and after 6-10 wk of intensive aerobic training while maintaining body weight. Fasting plasma glucose declined in every subject (average = -33 mg/dl), and oral glucose(More)
To investigate the mechanism of elevated plasma triglycerides in non-insulin-dependent (type II) diabetes, very-low-density lipoprotein triglyceride (VLDL-TG) metabolism was studied in 10 untreated male Pima Indian diabetics and compared with that of 15 weight-matched male nondiabetic controls. VLDL-TG metabolism was studied using tritiated glycerol as an(More)
Adipose tissue and muscle lipoprotein lipase and postheparin hepatic and lipoprotein lipase activities have been measured in a group of 21 Pima Indian males over a wide range of body weight to determine the relationship between obesity and these lipase activities. There was a significant positive correlation between adipose tissue lipoprotein lipase and(More)