Effects of Post-exercise Recovery Drink Composition on Subsequent Performance in Masters Class Athletes PDF Download
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Author: Erica R. Goldstein Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
Carbohydrate (CHO) and carbohydrate-protein coingestion (CHO-P) have been shown to be equally effective for enhancing glycogen resynthesis and subsequent same-day performance when CHO intake is suboptimal ([less than or equal to]0.8 g/kg). Few studies have specifically examined the effect of isocaloric CHO vs CHO-P consumption on subsequent high-intensity aerobic performance with limited time to recover ([less than or equal to]2 hours) in masters class endurance athletes. Participants (n = 22) were assigned to consume one of three beverages during a 2-hour recovery period: PLA (electrolytes and water), CHO (1.2 g/kg bm), or CHO-P (0.8 g/kg bm CHO + 0.4 g/kg bm PRO). All beverages were standardized to one liter (~32 oz.) of total fluid volume regardless of treatment group. One liter of a standard ready to drink sports beverage contains ~58 g of CHO. CHO powder was weighed in grams via a digital food scale and added to the existing liter of fluid to reach the total amount of CHO needed if a participant required more than 58 g of CHO. During Visit#1, participants completed graded exercise testing (VO2peak; cycle ergometer). Familiarization (Visit#2) consisted of 5 x 4 min intervals at 70-80% of peak power output [PPO, watts] with 2 min of active recovery at 50W, followed by time to exhaustion [TTE] at 90% PPO. The same high-intensity interval protocol with TTE was conducted pre-and post-beverage consumption on Visit#3. The ANCOVA indicated a significant difference among the group means for the posttest TTE (F2,18= 6.702, p =.007, [eta]2 =.427) values after adjusting for the pretest differences. Both CHO and CHO-P were effective in promoting an increase in TTE performance with limited time to recover in this sample of masters class endurance athletes.
Author: Erica R. Goldstein Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
Carbohydrate (CHO) and carbohydrate-protein coingestion (CHO-P) have been shown to be equally effective for enhancing glycogen resynthesis and subsequent same-day performance when CHO intake is suboptimal ([less than or equal to]0.8 g/kg). Few studies have specifically examined the effect of isocaloric CHO vs CHO-P consumption on subsequent high-intensity aerobic performance with limited time to recover ([less than or equal to]2 hours) in masters class endurance athletes. Participants (n = 22) were assigned to consume one of three beverages during a 2-hour recovery period: PLA (electrolytes and water), CHO (1.2 g/kg bm), or CHO-P (0.8 g/kg bm CHO + 0.4 g/kg bm PRO). All beverages were standardized to one liter (~32 oz.) of total fluid volume regardless of treatment group. One liter of a standard ready to drink sports beverage contains ~58 g of CHO. CHO powder was weighed in grams via a digital food scale and added to the existing liter of fluid to reach the total amount of CHO needed if a participant required more than 58 g of CHO. During Visit#1, participants completed graded exercise testing (VO2peak; cycle ergometer). Familiarization (Visit#2) consisted of 5 x 4 min intervals at 70-80% of peak power output [PPO, watts] with 2 min of active recovery at 50W, followed by time to exhaustion [TTE] at 90% PPO. The same high-intensity interval protocol with TTE was conducted pre-and post-beverage consumption on Visit#3. The ANCOVA indicated a significant difference among the group means for the posttest TTE (F2,18= 6.702, p =.007, [eta]2 =.427) values after adjusting for the pretest differences. Both CHO and CHO-P were effective in promoting an increase in TTE performance with limited time to recover in this sample of masters class endurance athletes.
Author: Sergej M. Ostojic Publisher: Frontiers Media SA ISBN: 2889198553 Category : Physiology Languages : en Pages : 80
Book Description
Physiological responses after maximal and submaximal exercise are routinely monitored in a plethora of diseases (e.g. cardiovascular diseases, cancer, diabetes, asthma, neuromuscular disorders), and normal populations (e.g. athletes, youth, elderly), while slower or irregular post-exercise recovery usually indicates poor health and/or low fitness level. Abnormal post-exercise recovery (as assessed via blunted post-exercise heart rate dynamics) helps to predict the presence and severity of coronary artery disease, while differences in recovery outcomes in athletes might discriminate between fit and unfit individuals. Disturbances in post-exercise recovery might be due to acute or persistent changes in: (1) adaptive responses mediated by the autonomic nervous system and vasodilator substances, (2) cellular bioenergetics, and/or (3) muscular plasticity. Preliminary evidence suggests possible role of time-dependent modulation of nitric oxide synthase and adenosine receptors during post-exercise recovery, yet no molecular attributes of post-exercise recovery are revealed so far. Currently several markers of post-exercise recovery are used (e.g. heart rate measures, hormone profiles, biochemical and hematological indices); however none of them meets all criteria to make its use generally accepted as the gold standard. In addition, recent studies suggest that different pharmacological agents and dietary interventions, or manipulative actions (e.g. massage, cold-water immersion, compression garments, athletic training) administered before, during or immediately after exercise could positively affect post-exercise recovery. There is a growing interest to provide more evidence-based data concerning the effectiveness and safety of traditional and novel interventions to affect post-exercise recovery. The goals of this research topic are to critically evaluate the current advances on mechanisms and clinical implications of post-exercise recovery, and to summarize recent experimental data from interventional studies. This knowledge may help to identify the hierarchy of key mechanisms, and recognize methods to monitor and improve post-exercise recovery in both health and disease.
Author: Publisher: ISBN: Category : Beverages Languages : en Pages : 91
Book Description
Purpose: The purpose of this study was to compare the efficacy of different carbohydrate-protein recovery beverages following heavy endurance exercise. Methods: Twelve well-trained male cyclists completed a glycogen-depleting trial followed by a 4 hour recovery period before completing a simulated 20-km time trial. During the recovery period, subjects consumed one of three isocaloric beverages [high-carbohydrate/low-protein (HCLP); low-carbohydrate/high-protein (LCHP); carbohydrate (CHO)] at 0h and 2h, as well as immediately following the 20-km time trial. Creatine kinase (CK), muscle soreness, isometric peak torque (MVC), and mental/physical fatigue/energy ratings were measured pre- and post trial. Glucose and lactate were measured during the glycogen depleting phase and subsequent exercise. Results: Subsequent exercise performance was not significantly different between treatments (LCHP 50.3±2.7 min; CHO 48.5±1.5 min; HCLP 48.8±2.1 min). No significant treatment*time interactions were observed for isometric peak torque (MVC), muscle soreness, or mental/physical energy/fatigue ratings. Creatine kinase levels pre- (LCHP 153.5±68.1; CHO 132.6±39.9; HCLP 137.0±41.1) and post exercise (LCHP 172.4±53.1; CHO 150.8±47.4; HCLP 146.6±27.4) were not significantly different between treatments. Conclusion: Recovery beverages containing equal caloric content and differing proportions of carbohydrate/protein provided similar effects on muscle recovery and subsequent exercise performance in well-trained cyclists.
Author: Ronald J. Maughan Publisher: CRC Press ISBN: 1420037188 Category : Health & Fitness Languages : en Pages : 304
Book Description
Can sports drinks improve the way you play and exercise? Athletes-both competitive and recreational-turn to the consumption of sports drinks to optimize their performance. A volume in the Nutrition in Exercise and Sports Series, Sports Drinks: Basic Science and Practical Aspects provides a review of current knowledge on issues relating to the formu
Author: Debasis Bagchi Publisher: Academic Press ISBN: 0128139234 Category : Technology & Engineering Languages : en Pages : 820
Book Description
Nutrition and Enhanced Sports Performance: Muscle Building, Endurance and Strength, Second Edition, includes comprehensive sections on the role of nutrition in human health, various types of physical exercises, including cardiovascular training, resistance training, aerobic and anaerobic exercises, bioenergetics and energy balance, and the nutritional requirements associated with each. Other sections cover sports and nutritional requirements, the molecular mechanisms involved in muscle building, an exhaustive review of various foods, minerals, supplements, phytochemicals, amino acids, transition metals, competition training, healthy cooking, physical training, and lifestyle and dietary recommendations for sports performance. This updated edition includes new chapters on mood, alertness, calmness and psychomotor performance in sports, extreme sports, natural myostatin inhibitor and lean body mass, the benefits of caffeine in sport nutrition formulations, the role of vitamin D in athletic performance, probiotics and muscle mass. - Provides a comprehensive appraisal of the nutritional benefits of exercise in human health - Compiles chapters reviewing the nutritional prophylaxis in human health - Addresses performance enhancement drugs and sports supplements - Presents various types of physical exercises and addresses exercise and nutritional requirements in special populations - Discusses sports nutrition and the molecular mechanisms involved in muscle building - Contains an exhaustive review of various food, minerals, supplements, phytochemicals, amino acids, transition metals, small molecules and other ergogenic agents - Highlights the aspects of healthy cooking, physical training, lifestyle and dietary recommendations for sports performance
Author: Erica R. Goldstein
Author: Erica R. Goldstein
Author: 
Author: Sergej M. Ostojic
Author: Taryn Leigh McLeod
Author: 
Author: Ronald J. Maughan
Author: Jason Ronald Wood Weir
Author: Matt Giordano
Author: Debasis Bagchi
Author: Andre Richard Nelson