Caffeinated Energy Drinks Improve High-Speed Running in Elite Field Hockey Players.

abstract：:The purpose of this study was to determine the effect of carbohydrate ingestion before and during intense constant load cycling to volitional fatigue on surface electromyographic (sEMG) activity from the vastus lateralis (VL) and vastus medialis (VM) muscles. After 24-h diet and training control, 8 well-trained subjec...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Nikolopoulos V,Arkinstall MJ,Hawley JA

更新日期：2004-04-01 00:00:00

abstract：:The purpose of this study was to assess the influence of rehydration with a caffeinated beverage during nonexercise periods on hydration status throughout consecutive practices in the heat. Ten (7 women, 3 men) partially heat- acclimated athletes (age 24 +/-1y, body fat 19.2 +/- 2 %, weight 68.4 +/- 4.0 kg, height 170...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Fiala KA,Casa DJ,Roti MW

更新日期：2004-08-01 00:00:00

abstract：:Food intolerance is becoming increasingly prevalent, and increasing numbers of athletes have celiac disease. This poses challenges as dietary recommendations for exercise are largely based on gluten-containing carbohydrate-rich foods. The K4 cycle race covers 384 km around the Coromandel Peninsula, New Zealand. Lack o...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Black KE,Skidmore P,Brown RC

更新日期：2012-08-01 00:00:00

abstract：:The purpose of this study was to determine the effect of pre-exercise high carbohydrate meals with high glycemic index (HGI) or low glycemic index (LGI) on blood leukocyte redistribution during subsequent endurance exercise. Eight male subjects performed a 90-min run on a treadmill at 70 % VO2max 3 h after ingesting a...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Li TL,Wu CL,Gleeson M,Williams C

更新日期：2004-12-01 00:00:00

abstract：:This study examined whether acute taurine (T) ingestion before prolonged cycling would improve time-trial (TT) performance and alter whole-body fuel utilization compared with a control (CON) trial and a placebo (PL) trial in which participants were told they received taurine but did not. Eleven endurance-trained male ...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Rutherford JA,Spriet LL,Stellingwerff T

更新日期：2010-08-01 00:00:00

abstract：UNLABELLED:There is a lack of studies concerning hydration status of young athletes exercising in the heat. PURPOSE:To assess preexercise hydration status in young soccer players during a summer sports camp and to evaluate body- water balance after soccer training sessions. METHODS:Initial hydration status was assess...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Arnaoutis G,Kavouras SA,Kotsis YP,Tsekouras YE,Makrillos M,Bardis CN

更新日期：2013-06-01 00:00:00

abstract：:The aim of this study was to conduct a systematic review of the effects of probiotic supplementation on physically active individuals. The participants, interventions, comparisons, outcome and study design inclusion criteria were (a) studies involving healthy adults or older subjects of both sexes who did physical exe...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Möller GB,da Cunha Goulart MJV,Nicoletto BB,Alves FD,Schneider CD

更新日期：2019-09-01 00:00:00

abstract：:This study investigated the effect of a fed or fasted state on the salivary immunoglobulin A (s-IgA) response to prolonged cycling. Using a randomized, crossover design, 16 active adults (8 men and 8 women) performed 2 hr of cycling on a stationary ergometer at 65% of maximal oxygen uptake on 1 occasion after an overn...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Allgrove JE,Geneen L,Latif S,Gleeson M

更新日期：2009-06-01 00:00:00

abstract：:During prolonged periods of high energy expenditure (EE), restricted food intake can lead to a loss of body mass. This case study describes the preexpedition support for an unsupported 3-wk crossing of the Atacama Desert in Chile. The goals were to simulate the energy requirements of walking under varying conditions a...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Koehler K,Huelsemann F,de Marees M,Braunstein B,Braun H,Schaenzer W

更新日期：2011-12-01 00:00:00

abstract：:Athletes competing in individual sports such as judo are categorized by weight. Before competitions, weight cutting is common. This cross-sectional study was designed to characterize and determine the prevalence of rapid weight loss (RWL) among adolescent judo competitors. Male athletes aged 12- to 17-years old (N = 1...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Berkovich BE,Eliakim A,Nemet D,Stark AH,Sinai T

更新日期：2016-06-01 00:00:00

abstract：:Both caffeine (CAF) and pseudoephedrine (PSE) are proposed to be central nervous system stimulants. However, during competition, CAF is a permitted substance, whereas PSE is a banned substance at urinary levels >150 μg · ml(-1). As a result, this study aimed to compare the effect of CAF versus PSE use on cycling time ...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Spence AL,Sim M,Landers G,Peeling P

更新日期：2013-10-01 00:00:00

abstract：:The timing of carbohydrate ingestion and how this influences net muscle glycogen utilization and fatigue has only been investigated in prolonged cycling. Past findings may not translate to running because each exercise mode is distinct both in the metabolic response to carbohydrate ingestion and in the practicalities ...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Menzies C,Wood M,Thomas J,Hengist A,Walhin JP,Jones R,Tsintzas K,Gonzalez JT,Betts JA

更新日期：2020-02-28 00:00:00

abstract：:The effects of a commercial sports drink on performance in high-intensity cycling was investigated. Nine well-trained subjects were asked to complete a set amount of work as fast as possible (time trial) following 24 h of dietary (subjects were provided with food, energy 57.4+/-2.4 kcal/kg and carbohydrate 9.1+/-0.4 g...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Desbrow B,Anderson S,Barrett J,Rao E,Hargreaves M

更新日期：2004-10-01 00:00:00

abstract：:Research suggests that ingesting protein after resistance exercise (RE) increases muscle protein synthesis and results in greater muscle gains. The effect on energy expenditure and substrate utilization, however, is unclear. This study evaluated the effect of RE and postexercise protein on recovery energy expenditure ...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Benton MJ,Swan PD

更新日期：2007-12-01 00:00:00

abstract：:To examine the effects of a 3-day high carbohydrate (H-CHO) and low carbohydrate (L-CHO) diet on 45 min of cycling exercise, 12 endurance-trained cyclists performed a 45-min cycling exercise at 82 +/- 2% VO2peak following an overnight fast, after a 6-day diet and exercise control. The 7-day protocol was repeated under...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Kavouras SA,Troup JP,Berning JR

更新日期：2004-02-01 00:00:00

abstract：:Impaired muscle function has been coupled to vitamin D insufficiency in young women and in elderly men and women. Those living at Northern latitudes are at risk for vitamin D insufficiency due to low sun exposure which may be more pronounced among elite swimmers because of their indoor training schedules. We aimed to ...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Geiker NRW,Hansen M,Jakobsen J,Kristensen M,Larsen R,Jørgensen NR,Hansen BS,Bügel S

更新日期：2017-10-01 00:00:00

abstract：:The polyunsaturated fatty acids docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) affect vascular relaxation and involve factors (e.g., nitric oxide) that contribute to exercise-induced increases in skeletal-muscle blood flow (Q). The authors investigated whether DHA and EPA supplementation augments skeletal-...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Stebbins CL,Hammel LE,Marshal BJ,Spangenberg EE,Musch TI

更新日期：2010-12-01 00:00:00

abstract：:Delayed onset muscle soreness (DOMS) following eccentric exercise is associated with increased inflammation which can be debilitating. Incorporation of long-chain omega-3 polyunsaturated fatty acids (LC n-3 PUFA), eicosapentaenoic acid, and docosahexaenoic acid into membrane phospholipids provides anti-inflammatory, p...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Anthony R,Macartney MJ,Peoples GE

更新日期：2021-01-20 00:00:00

abstract：:Inflammatory markers such as C-reactive protein (CRP), fibrinogen, and white-blood-cell (WBC) count are strongly associated with cardiovascular disease. The authors' purpose was to compare the inflammatory response to a single aerobic-exercise session between individuals of high and moderate fitness. Ten apparently he...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Plaisance EP,Taylor JK,Alhassan S,Abebe A,Mestek ML,Grandjean PW

更新日期：2007-04-01 00:00:00

abstract：:This study examined the effects of carbohydrate (CHO), carbohydrate-protein (CHO+PRO), or placebo (PLA) beverages on recovery from novel eccentric exercise. Female participants performed 30 min of downhill treadmill running (-12% grade, 8.0 mph), followed by consumption of a CHO, CHO+PRO, or PLA beverage immediately, ...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Green MS,Corona BT,Doyle JA,Ingalls CP

更新日期：2008-02-01 00:00:00

abstract：:Fluid milk consumed in conjunction with resistance training (RT) provides additional protein and calcium, which may enhance the effect of RT on body composition. However, the literature on this topic is inconsistent with limited data in adolescents. Therefore, we examined the effects of a supervised RT program (6 mo, ...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Lambourne K,Washburn RA,Lee J,Betts JL,Thomas DT,Smith BK,Gibson CA,Sullivan DK,Donnelly JE

更新日期：2013-08-01 00:00:00

abstract：:With the increasing knowledge about the role of nutrition in increasing exercise performance, it has become clear over the last 2 decades that amino acids, protein, and protein hydrolysates can play an important role. Most of the attention has been focused on their effects at a muscular level. As these nutrients are i...

journal_title：International journal of sport nutrition and exercise metabolism

authors： van Loon LJ,Kies AK,Saris WH

更新日期：2007-08-01 00:00:00

abstract：:The angiotensin-I-converting enzyme (ACE) I/D gene polymorphism has been studied for its role in determining habitual physical activity level, but there is no information from Asian populations. The objective of this study was to determine whether this ACE gene polymorphism was associated with physical activity level ...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Wong WP,Zhao Y,Koh WP

更新日期：2012-06-01 00:00:00

abstract：:This study aimed to assess the diet quality of Brazilian Paralympic track-and-field team sprinters and its variation between days. All sprinters (n = 28) were invited, and 20 (13 men and seven women) accepted the invitation consisting of 13 athletes with visual impairment, four with cerebral palsy, and three with limb...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Joaquim DP,Juzwiak CR,Winckler C

更新日期：2019-06-05 00:00:00

abstract：:African American (AA) and European American (EA) women often exhibit differences in hemoglobin (Hb) and 25-hydroxyvitamin D [25(OH)D], both of which can be altered by calorie restriction leading to weight loss. Given these known differences, it is of clinical interest to examine the potential for race-specific, advers...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Carter SJ,Plaisance EP,Fisher G,Fernandez JR,Gower BA,Hunter GR

更新日期：2017-02-01 00:00:00

abstract：:The authors tested the hypothesis that perception of carbohydrate (CHO) availability augments exercise capacity in conditions of reduced CHO availability. Nine males completed a sleep-low train model comprising evening glycogen-depleting cycling followed by an exhaustive cycling protocol the next morning in the fasted...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Waterworth SP,Spencer CC,Porter AL,Morton JP

更新日期：2020-02-04 00:00:00

abstract：:The aim of this study was to evaluate the food provision and nutrition support at the London 2012 Olympic (OG) and Paralympic Games (PG) from the perspective of sports nutrition experts attending the event. Participants (n = 15) were asked to complete an online survey and rate on a Likert scale menu qualities, food sa...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Pelly F,Meyer NL,Pearce J,Burkhart SJ,Burke LM

更新日期：2014-12-01 00:00:00

abstract：PURPOSE:Exercise leads to a lower risk of coronary artery disease (CAD). However, whether time of day physical exercise has effects on CAD is still unclear. The present study is to investigate the relationship between time of day physical exercise and angiography determined CAD in a Chinese population. SUBJECTS:A tota...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Zhao H,Chu XQ,Lian XQ,Wang ZM,Gao W,Wang LS

更新日期：2014-04-01 00:00:00

abstract：:The aim of this study was to evaluate the frequency of dietary supplement (DS) use among elite Finnish athletes in 2002 and 2009. In 2009, the authors also wanted to examine the reasons for athletes' DS use, whether athletes feel they have experienced benefits from their supplement use, and whether athletes had had an...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Heikkinen A,Alaranta A,Helenius I,Vasankari T

更新日期：2011-08-01 00:00:00

abstract：:Whenever athletes willfully or accidentally ingest performance-enhancing drugs or other banned substances (such as drugs of abuse), markers of those drugs can be detected in biological samples (e.g., biofluids: urine, saliva, blood); in the case of some drugs, that evidence can be apparent for many weeks following the...

journal_title：International journal of sport nutrition and exercise metabolism

authors： Cadwallader AB,Murray B

更新日期：2015-08-01 00:00:00