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Approximately 32 documents matched your search.
  1. 3/4/2011 / Active recovery training does not affect the antioxidant response to soccer games in elite female players

    Strenuous intermittent exercise increases the production of reactive oxygen species (ROS), which may lead to oxidative stress if the balance between antioxidant defenses is disturbed. Excessive exercise-induced oxidative stress is believed to be a factor leading to fatigue, therefore an efficient...

  2. 3/4/2011 / Heterogeneity of dietary profiles in highly sedentary young Guadeloupean women

    Are healthy dietary choices and increased physical activity linked? If so, does the relationship between attitudes toward food and physical activity lie in a continuum or is there a threshold effect? Are the decisions conscious?

  3. 3/4/2011 / Vegetarianism, female gender and increasing age, but not CNDP1 genotype, are associated with reduced muscle carnosine levels in humans

    Carnosine (ß-alanyl-L-histidine) is a dipeptide found in high concentrations in skeletal muscles and is associated with multiple physiologic functions such as pH buffering, antioxidant effects, increasing sensitivity to Ca2+, and inhibiting protein glycation. Recent...

  4. 3/4/2011 / Bone-mineral density and other features of the female athlete triad in elite endurance runners: a longitudinal and cross-sectional observational study

    Studies have shown that physical activity can help maintain and actually increase bone-mineral density (BMD). However, low BMD has been recognized in female athletes who participate in sports that emphasize leanness, such as gymnastics and endurance training. Low BMD is associated with menstrual...

  5. 3/4/2011 / Altered antioxidant and trace-element status in adolescent female gymnasts

    Reactive oxygen species (ROS) are generated during exercise. Glutathione peroxidase (GPx) and superoxide dismutase (SOD) are plasma antioxidant enzymes that protect the body from harmful effects of ROS. It has been shown in adults that exercise induces production of these enzymes so people who...

  6. 3/4/2011 / The impact of feedback on dietary intake and body composition of collegiate women volleyball players over a competitive season

    To assess whether feedback to volleyball players on their dietary intake would increase nutrient intakes or improve body composition

  7. 3/4/2011 / Caffeine consumption and incident atrial fibrillation in women

    It is somewhat controversial whether or not caffeine consumption is associated with an increased risk of developing atrial fibrillation (AF). Although many patients with AF indicate coffee as a trigger for arrhythmia, and although there is a widespread belief that caffeine intake is related to the...

  8. 3/4/2011 / Aerobic exercise training-induced decrease in plasma visfatin and insulin resistance in obese female adolescents

     Visfatin is an adipocytokine produced by many tissues, including visceral body fat cells. Visfatin may increase insulin resistance. It has been shown that exercise reduces visfatin levels in adults, but not artificial weight loss (from gastrectomy). It is unknown whether it is the exercise...

  9. 3/4/2011 /Twelve weeks of endurance training increases FFA mobilization and reesterification in postmenopausal women

     The reduction of estrogen and progesterone at menopause may affect lipid metabolism and cause the body to use a greater proportion of carbohydrates as a substrate during exercise, while using a smaller proportion of fat. It has been shown that younger people have a greater capacity to break...

  10. 3/4/2011 /Vitamin D status in female military personnel during combat training

    Vitamin D is necessary to maintain bone health, with suboptimal levels leading to poor calcium absorption and increases in parathyroid hormone (PTH) levels. Intense physical exercise such as combat training (CT) combined with weakened bone health could result in stress fractures. Women of combat...

  11. 3/4/2011 /Active recovery training does not affect the antioxidant response to soccer games in elite female players

     Strenuous intermittent exercise increases the production of reactive oxygen species (ROS), which may lead to oxidative stress if the balance between antioxidant defenses is disturbed. Excessive exercise-induced oxidative stress is believed to be a factor leading to fatigue, therefore an...

  12. 3/4/2011 /Physiological effects of caffeine, epigallocatechin-3-gallate, and exercise in overweight and obese women

     Obesity is the result of a positive energy balance and contributes to more than 300,000 deaths per year. Recent research has been particularly focused on the use of plant compounds (ie, caffeine, green tea), with a principal aim of reducing food intake and/or increasing energy expenditure....

  13. 3/4/2011 /Effect of High-Protein Feeding on Performance and Nitrogen Balance in Female Cyclists

    Research into the effect of nutritional supplementation to improve exercise performance has been conducted mostly in men. Although it appears that female athletes require ~15%-25% less dietary protein than male athletes, no specific recommendation for protein supplementation of female athletes has...

  14. Effect of high-protein feeding on performance and nitrogen balance in female cyclists

    Research into the effect of nutritional supplementation to improve exercise performance has been conducted mostly in men. Although it appears that female athletes require ~15%-25% less dietary protein than male athletes, no specific recommendation for protein supplementation of female athletes has...

  15. Bone health and the female athlete triad in adolescent athletes

    Bone is composed of a calcium-containing mineral called hydroxyapatite deposited on a phosphate-containing matrix. Bone mineral density (BMD) is defined as the amount of inorganic salts (ex. calcium and phosphate) exists per volume of bone. High bone density and high peak bone mass (PBM) are...

  16. Substrate utilization is influenced by acute dietary carbohydrate intake in active, healthy females

    Low carbohydrate diets have been promoted in both athletes and non-athletes for weight loss. The composition of a meal determines the blood levels of glucose, fat, and other nutrients and metabolites immediately after the meal as well as the metabolism of stored carbohydrates and stored fats...

  17. Bone health and the female athlete triad in adolescent athletes

    Bone is composed of a calcium-containing mineral called hydroxyapatite deposited on a phosphate-containing matrix. Bone mineral density (BMD) is defined as the amount of inorganic salts (ex. calcium and phosphate) exists per volume of bone. High bone density and high peak bone mass (PBM) are...

  18. Vegetarianism, female gender and increasing age, but not CNDP1 genotype, are associated with reduced carnosine levels in humans

    Carnosine (β-alanyl-L-histidine) is a dipeptide that is imperative to skeletal muscle function. In humans, muscle carnosine concentrations can vary by up to 4 times among individuals, and it has been shown that higher levels of carnosine improve physical performance by delaying fatigue....

  19. A low carbohydrate-protein supplement improves endurance performance in female athletes

    It has been shown that a beverage with protein (PRO) and low carbohydrate (CHO; 3% CHO + 0.75% CHO or 4.5% CHO + 1.2% PRO) is just as effective at prolonging endurance as a 6% CHO beverage. It has also been shown that a blend of carbohydrates (i.e. glucose, maltodextrin, and fructose) can be...

  20. Bioavailable IGF-I is associated with fat-free mass gains after physical training in women

    Bioavailable IGF-I correlates better with increases in fat free muscle mass than total circulating IGF-I. This could be of clinical significance, because it showed that women who initiate training with lower than average concentrations of bioavailable IGF-I have greater potential to gain muscle...

  21. Effects of exercise on bone mass in young women with anorexia nervosa

    As in healthy women, those who have had anorexia display a positive correlation between high intensity exercise and BMD and the effect was greater in participants who had recovered from anorexia. However, there was a negative association between moderate exercise while ill and BMD. With that said,...

  22. Exercising women with menstrual disturbances consume low energy dense foods and beverages

    The authors hypothesized that women with exercise-associated menstrual disturbances (EAMD) will consume a diet that is lower in energy density (i.e., kcal per gram food or beverage consumed) than eumenorrheic exercising women. Strategies for lowering energy density include increasing fruit and...

  23. The association of a high drive for thinness with energy deficiency and severe menstrual disturbances: confirmation in a large population of exercising women

    Interpretation of findings/Key practice applications: These results confirm earlier reports correlating DT with energy deficiency in exercising women. Additionally, DT was associated with suppressed reproductive function. However, energy intake and physical activity were...

  24. Anorexia athletica in pre-professional ballet dancers

    Key practice applications:  It appears that ballet dancers do not have an increased risk of clinical AN, despite the strong pressures to be thin.  However, it may be more difficult to recognize AN in this cohort due to their already slender size, so teammates,...

  25. Feeding strategies of a female athlete during an ultraendurance running event

    In contrast to shorter endurance events, food and fluids were equally important for providing CHO in this ultraendurance race. Athletes participating in ultraendurance events should familiarize themselves with available food and fluid choices on race day and develop a compatible nutritional...

  26. Is lost lean mass from intentional weight loss recovered during weight regain in postmenopausal women?

    A large portion of weight that was lost during the intervention period was regained by most of the women in this study during the 12 mo after intervention. The weight that was regained had proportionally more fat than the weight that was lost. This emphasizes that healthy dietary habits and...

  27. Gender-based differences in substrate-use during exercise at a self-selected pace

    Women and men both preferentially chose paces to achieve a percent of their VO2max that corresponds to their maximal rate of fat oxidation (about 28-45% VO2max for women, about 33-56% VO2max for men).  Therefore, a self-selected (i.e. comfortable) exercise...

  28. Physiological and nutritional aspects of post-exercise recovery: Specific recommendations for female athletes.

    Many exercise studies are performed on males alone, although subtle yet distinct differences have been observed between males and females in response to exercise. This review highlights the differences between the genders and offers specific recommendations for female athletes to optimize their...

  29. Iron status is associated with endurance performance and training in female rowers

    Iron deficiency without anemia was associated with overall poorer performance in female rowers. A very large proportion of female athletes have iron deficiency with and without anemia, and women need to assure that they are consuming adequate amounts of iron. Some individuals absorb iron more...

  30. Effects of dehydration during cycling on skeletal muscle metabolism in females

    While cycling, the athletes that did not drink water (DEH) lost 2% of their body weight in 2 hrs.  Also, many physiological stressors associated with exercise were exacerbated, including increased heart rate, core body temperature, ratings of perceived exertion, and lactate concentrations in...

  31. 25(OH) Vitamin D is associated with greater muscle strength in healthy men and women

    Read how research has found an association with increased muscle strength and sports performance. in healthy men and women.

  32. 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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