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This study determined the effects of altering the H(+) concentration during interval training, by ingesting NaHCO(3) (Alk-T) or a placebo (Pla-T), on changes in muscle buffer capacity (beta m), endurance performance, and muscle metabolites. Pre- and posttraining peak O(2) uptake (V(O2 peak)), lactate threshold (LT), and time to fatigue at 100% pretraining(More)
The physiological equivalents of power output maintenance and recovery during repeated-sprint exercise (RSE) remain to be fully elucidated. In an attempt to improve our understanding of the determinants of RSE performance we therefore aimed to determine its recovery following exhaustive exercise (which affected intramuscular and neural factors)(More)
The effect of altering the rest period on adaptations to high-repetition resistance training is not well known. Eighteen active females were matched according to leg strength and repeated-sprint ability and randomly allocated to one of two groups. One group performed resistance training with 20-s rest intervals between sets, while the other group employed(More)
PURPOSE High-intensity short-duration interval training (HIT) stimulates functional and metabolic adaptation in skeletal muscle, but the influence of HIT on mitochondrial function remains poorly studied in humans. Mitochondrial metabolism as well as mitochondrial-associated protein expression were tested in untrained participants performing HIT over a(More)
Minimizing the decrease in intracellular pH during high-intensity exercise training promotes greater improvements in mitochondrial respiration. This raises the intriguing hypothesis that pH may affect the exercise-induced transcription of genes that regulate mitochondrial biogenesis. Eight males performed 10x2-min cycle intervals at 80% VO2speak intensity(More)
The relationship between anticonvulsant tolerance to clonazepam and benzodiazepine receptor changes was studied in amygdala kindled rats. Fully kindled rats were given 1 mg/kg clonazepam (clonazepam treated) or vehicle (kindled control) orally three times per day for 4 weeks. During chronic treatment, amygdala stimulation was given twice per week, 30 min(More)
The influence of intermittent benzodiazepine treatment on anticonvulsant tolerance was studied by comparing mice treated either daily or on alternate days with clonazepam, 0.25 mg/kg, i.p., administered twice a day. Tolerance was assessed by the ability of clonazepam to prevent pentylenetetrazol (PTZ) induced clonic convulsions. In mice treated daily with(More)
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