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Approximately 24 documents matched your search.
  1. 3/4/2011 / Influence of dietary fatty acid composition and exercise on changes in fat oxidation from a high-fat diet

    When diet composition changes, the body requires time to adjust. It has been shown that it takes about 5-7 days for the rate of fat metabolism to increase when the diet shifts from moderate to high fat.

  2. 3/4/2011 / Effects of supplemental fish oil on resting metabolic rate, body composition, and salivary cortisol in healthy adults

    Several rodent studies have shown that diets rich in omega 3 fatty acids, specifically those found in the oil from cold-water fish, lead to significantly lower total body fat stores versus diets rich in other fatty acids. Despite these data in animal models, very little is known about the effects...

  3. 3/4/2011 /Effect of 6 weeks of n-3 fatty-acid supplementation on oxidative stress in judo athletes

    Strenuous exercise may induce oxidative stress partially through raising body temperature, which increases the production of reactive free-radicals. Oxidative stress results when the level of reactive oxygen and nitrogen free-radicals increases past the point of the body?s ability to...

  4. 3/4/2011 /The endocannabinoid signaling system: a marriage of PUFA and musculoskeletal health (A Review)

    The endocannabinoid (EC) system is an endogenous pathway that has only recently been studied in detail. It is known to be involved in appetite and more recent evidence suggests that it is involved in glucose metabolism and insulin regulation.

  5. 3/4/2011 /Effect of n-3 fatty acids and antioxidants on oxidative stress after exercise

     n-3 fatty acids are known to have anti-inflammatory activity that may reduce oxidative stress. Supplementation with antioxidant vitamins has been proposed to counteract oxidative stress and improve antioxidant status. This study investigated the effects of daily supplementation with vitamins...

  6. 3/4/2011 /A-Z of nutritional supplements dietary supplements sports nutrition foods and ergogenic aids for health and performance- Part 16

    This review covers the use of folate, gamma-aminobutyric acid (GABA), gamma-oryzanol, ferulic acid, gamma-hydroxybutyrate (GHB), and gamma-butyrolactone in sports performance.

  7. Fat adaptation in well-trained athletes: effects on cell metabolism (Review article)

      Low intensity endurance exercise (>90 min) depletes short term energy storage, i.e. muscle glycogen. There are nutritional approaches to increase and preserve glycogen stores, and increase the efficiency of fat utilization in order to increase performance at endurance events.

  8. Nutritional modulation of training-induced skeletal muscle adaptations

    Skeletal muscle is remarkably malleable and is able to adapt its metabolic and functional potential in response to both external stimuli, such as exercise, and to internal modulators, such as nutrient availability. In this review, the authors examined the effect of nutrient-exercise interactions...

  9. Dietary omega-3 fatty acid supplementation increases the rate of muscle protein synthesis in older adults: a randomized controlled trial

    Age-related loss of skeletal muscle mass may result, in part, from a blunted muscle protein synthesis response (ie, anabolic resistance). Defects in the anabolic signaling cascade, mediated by increased inflammatory activity, may contribute to anabolic resistance. Some evidence for omega-3...

  10. EPA inhibits the inhibitor of κBα (IκBα)/NF-κB/muscle RING finger 1 pathway in C2C12 myotubes in a PPARγ-dependent manner

    The NF-B cell signaling pathway is activated under stress and affects transcription of genes involved in the immune system. One gene that is activated by the NF-B pathway is MuRF1 (muscle RING finger 1). MuRF1 targets muscle protein for degradation. n-3 Polyunsaturated fatty acids (PUFAs), also...

  11. Effects of omega-3 supplementation in combination with diet and exercise on weight loss and body composition

    Omega-3 fatty acids may have a weight loss-enhancing benefit. Preclinical results in animal models suggest that omega-3 fatty acids promote weight loss through various mechanisms including increased fat oxidation, adiponectin, suppression of fat deposition, adipocyte apoptosis, and/or appetite...

  12. DHA- rich fish oil improves complex reaction time in female elite soccer players

    Increased intake of DHA may improve reaction time, which may improve sports performance.

  13. High fat feeding inhibits exercise induced increase in mitochondrial respiratory flux in skeletal muscle

    Low carbohydrate-high fat diets likely alter the gene expression in the mitochondria, leading to higher rates of fat oxidation during exercise, with a smaller reliance on glycogen and carbohydrate.

  14. Vascular consequences of a high-fat meal in physically active and inactive adults

    Although the between group comparisons were generally not significant, it appeared that the physically active subjects better tolerated the fatty meal challenge. There were a number of limitations in this study, however. First, because of differences at baseline, analysis of covariance with...

  15. High fatty acid availability after exercise alters the regulation of muscle lipid metabolism

    High concentrations of lipids after exercise causes muscles to increase the amount of fat stored in the muscle. This is presented as a benefit, in that insulin resistance as a result of high fatty acid concentrations was prevented (shown in a previous study). However, the authors did not discuss...

  16. Effects of 6 weeks of n-3 fatty acids and antioxidant mixture on lipid peroxidation at rest and postexercise

    Supplementation with EPA and DHA increased baseline oxidative stress and did not attenuate exercise-induced oxidative stress; combined with antioxidants, lipid peroxidation decreased. However, evidence suggests that effective antioxidant supplementation may occur at a higher dose and longer...

  17. Effect of mixed flavonoids, n-3 fatty acids, and vitamin C on oxidative stress and antioxidant capacity before and after intense cycling

    The quercetin-based supplement was effective at reducing exercise-induced stress and the effect was more pronounced when it was combined with additional immune-modulating compounds. Unfortunately, there were many confounding factors

  18. A-Z of nutritional supplements: dietary supplements, sports nutrition foods and ergogenic aids for health and performance: part 24

    A triglyceride is a fat molecule composed of 3 fatty acids on a glycerol backbone. In a medium chain triglyceride (MCT), the fatty acids are 6-14 carbon atoms in length. MCTs can be metabolized by cells that line the small intestine and therefore the fatty acids can be absorbed and transported...

  19. The effect of omega-3 fatty acid supplementation on the inflammatory response to eccentric strength exercise

    In this study, omega-3 supplementation decreased muscle soreness after high-intensity exercise. Results were observed after only 7 days of supplementation, suggesting that chronic usage is not required for an effect. Although the majority of adults had trouble completing a full elbow extension 48...

  20. Long-term aerobic exercise and omega-3 supplementation modulate osteoporosis through inflammatory mechanisms in post-menopausal women: a randomized, repeated measures study

    Osteoporosis primarily affects older postmenopausal women, decreasing quality of life and increasing societal cost. The decline in bone health in older postmenopausal women parallels estrogen depletion and increased inflammatory activity. Previous studies suggest that polyunsaturated fatty acids...

  21. Fish–oil supplementation enhances the effects of strength training in elderly women

    Omega-3 fatty acids, which are in high concentrations in fish oil, have been shown to improve the efficiency of signaling in the nervous system and increase heart muscle function in the elderly. The two most bioactive omega-3 fatty acids are eicosapentaenoic acid (EPA) and docosahexaenoic acid...

  22. Dietary supplements for improving body composition and reducing body weight: Where is the evidenc

    There is not significance evidence that any weight loss supplement is effective at promoting weight loss and keeping the weight off, but many studies are short (14 wks or less) and do not follow up with participants. A healthy lifestyle including a healthy diet and exercise is recommended for...

  23. Omega-3 polyunsaturated fatty acids in physical performance optimization

    Can Omega-3 fatty acids such as fish oil increase sports performance? Read a study by Mickleborough TD which researches this question.

  24. Contemporary Sports Nutrition Abstracts and Articles

    On this page, you will find helpful sports nutrition articles and abstracts culled from 47 nutrition and exercise journals from July 2015.
    The articles below were selected only if they included research in humans, although exceptions were made for particularly interesting and...

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