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Maximal fat oxidation during exercise (MFO) and the intensity of exercise that elicits MFO (Fatmax) has been recognized as potential determinants of endurance performance.
The purpose of this study was to determine the possible interaction between the effects of diurnal variation (morning vs. afternoon) and caffeine ingestion on MFO, Fatmax and VO2 max in endurance-trained men. Specifically, the investigators sought to elucidate whether the stimulant actions of caffeine could reverse the decrements of MFO and Fatmax observed in the morning.
Body weight, height, body composition (DXA), exercise test (MFO and VO2max assessment) will be measured during the 4 evaluations.
Participants were randomized into 4 exercise test conditions:
1. Exercise test in the morning with placebo intake
2. Exercise test in the evening with placebo intake
3. Exercise test in the morning with caffeine intake
4. Execrise test in the evening with caffeine intake
Test in the morning, Test in the afternoon
Instituto Mixto Universitario Deporte Salud
Universidad de Granada
Published on BioPortfolio: 2020-03-28T03:55:37-0400
The study aims to investigate the effects of a short computerized training as a therapeutic add-on to standard therapy in patients with alcohol-use disorder.
High intensity interval training (HIIT) is a promising intervention for treatment and prevention of type 2 diabetes. In spite of the interplay between circadian rhythms and exercise, the t...
Previous study showed that afternoon cosyntropin testing was associated with a sevenfold increased likelihood of failing the 1μg test. However, in that study, they used a 20.3 cm plastic ...
Cortisol is a hormone that increases after trauma or surgery and has circadian rhythm. It has a form that is increased in the morning and decreased in the evening. The investigators expect...
The present study was conducted in laparoscopic hysteromyoma patients, aiming to compare the effects of morning surgery with afternoon surgery on early postoperative sleep function and pos...
Mammals have circadian clocks, which consist of the central clock in the suprachiasmatic nucleus and the peripheral clocks in the peripheral tissues. The effect of exercise on phase of peripheral cloc...
Previous research has shown that rats require high response cost in order to display circadian timing in daily Time-Place Learning (TPL) tasks. For many possible reasons, no explicit effort to explore...
To evaluate the performance of morning serum cortisol (MSC) compared to a 10 μg ACTH stimulation test in the diagnosis of adrenal insufficiency (AI). A retrospective, cross-sectional analysis of ACT...
Stress exerts its negative effects by interference with mitochondrial energy production in rodents, and is able to impair mitochondrial bioenergetics. However, the underlying mechanism that stress hor...
This work investigates the absorption properties of soluble brown carbon (BrC), extracted in methanol and water, from ambient aerosol (PM) samples, collected over an urban background site in Mumbai, I...
A projective test used to evaluate a broad range of personality variables including pathology of thought and perception. The subject's responses to inkblot prints are scored along with subjective interpretation by the test administrator.
A test to determine the lowest sound intensity level at which fifty percent or more of the spondaic test words (words of two syllables having equal stress) are repeated correctly.
Tests of accuracy in pronouncing speech sounds, e.g., Iowa Pressure Articulation Test, Deep Test of Articulation, Templin-Darley Tests of Articulation, Goldman-Fristoe Test of Articulation, Screening Speech Articulation Test, Arizona Articulation Proficiency Scale.
Method of measuring the bactericidal activity contained in a patient's serum as a result of antimicrobial therapy. It is used to monitor the therapy in BACTERIAL ENDOCARDITIS; OSTEOMYELITIS and other serious bacterial infections. As commonly performed, the test is a variation of the broth dilution test. This test needs to be distinguished from testing of the naturally occurring BLOOD BACTERICIDAL ACTIVITY.
Skills and strategies, unrelated to the traits a test is intended to measure, that may increase test takers' scores -- may include the effects of coaching or experience in taking tests. (ERIC Thesaurus)