Effect of Carbohydrate Supplementation on the Physiological and Perceptual Responses to Prolonged Tennis Match Play

Gomes, Rodrigo Vitasovic; Moreira, Alexandre; Coutts, Aaron J.; Capitani, Caroline Dário; Aoki, Marcelo Saldanha

doi:10.1519/jsc.0b013e3182a1f757

Cited by 13 publications

(32 citation statements)

References 38 publications

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“…In addition, they performed both trials at the euglycemic state. In agreement, it has been shown that a 3-h tennis match would not cause hypoglycemia in the subjects with adequate carbohydrate intake in the previous day (Gomes et al, 2014). However, the significant decline in perceptual-motor performance, indicated by the lower rate of balls hit to the correct direction, was still present after the simulated match in the PB trial.…”

Section: Discussionsupporting

confidence: 65%

Prevention of perceptual‐motor decline by branched‐chain amino acids, arginine, citrulline after tennis match

et al. 2016

Scandinavian Med Sci Sports

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Perceptual-motor performance in prolonged tennis matches may be affected by central fatigue. The purpose of this study was to investigate the supplementation of branched-chain amino acids (BCAA), arginine, and citrulline on tennis-specific perceptual-motor performance after a simulated match. Nine male tennis players consumed 0.17 g/kg BCAA, 0.05 g/kg arginine, and 0.05 g/kg citrulline (AA trial), or placebo (PB trial) 1 h before the match. In the perceptual-motor performance test before and after the match, the subjects hit balls to the opposite direction of the examiner's movement. The AA trial showed significantly higher rate of correct direction than the PB trial after the match (AA trial: 93.63 ± 1.28%, PB trial: 69.09 ± 2.40%). The AA trial also demonstrated significantly higher post-match accuracy and consistency than the PB trial. The AA trial showed significantly lower heart rate and ratings of perceive exertion during the match, concurrently with a significantly lower plasma total tryptophan/BCAA ratio. Similar post-match plasma NH concentrations were found in both trials while the AA trial was significantly higher in NO concentration. This study suggested that the supplementation could prevent the decline in perceptual-motor performance through alleviation of central fatigue by BCAA and prevention of excess hyperammonemia by arginine and citrulline.

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Section: Discussionsupporting

confidence: 65%

Prevention of perceptual‐motor decline by branched‐chain amino acids, arginine, citrulline after tennis match

et al. 2016

Scandinavian Med Sci Sports

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“…While age cannot be changed, fitness can, through conditioning. That can be obtained with a targeted training programme, including exercise (Smith, Sommer, and Starkoff 2013), rest, diet and supplementation (Gomes et al 2014;Orer and Gusel 2014). On the other hand, operator movement could be assisted with walking aids (Herr 2009) or minimised with new tools specifically designed for bringing the winch cable back to the loading point, without requiring that an operator walks back to the winch and pulls the cable all the way to the loading point.…”

Section: Discussionmentioning

confidence: 99%

The effect of a slack-pulling device in reducing operator physiological workload during log winching operations

2014

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The authors conducted a comparative test to determine whether the introduction of a hydraulic slack puller allowed reducing the physiological workload of operators assigned to log winching tasks. The tests were conducted in northern Italy, on the mountains near Como. The study involved five volunteer subjects, considered representatives of the regional logging workforce. Physiological workload was determined by measuring the operators' heart rate upon completion of specific tasks. The slack puller improved the efficiency of downhill winching, since it allowed a single operator to pull out the cable on his own, without requiring the assistance of a colleague. However, introduction of the slack puller did not result in any reductions of operator physiological workload. The main stressor when working on a steep slope is moving up and down the slope: pulling a cable is only a secondary stressor. Any measures targeting secondary stressors are unlikely to produce dramatic reductions of operator workload.

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“…Hornery et al 5 reported reductions in serve performance in a hypohydrated state, even though core temperatures remained below 39°C. Moreover, carbohydrate ingestion, in addition to the replinishment of fluid, is reported to be important during simulated tennis match-play 28. Given the prolonged durations of match-play, muscle glycogen availability or supply via exogenous glucose intake is likely to be a determining factor in the prevention of peripheral and central fatigue 5 28.…”

Section: Introductionmentioning

confidence: 99%

The development of fatigue during match-play tennis

Reid

Duffield

2014

Br J Sports Med

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Data describing the activity profile and physiological characteristics of tennis match-play are extensive. However, these data have generally provided descriptive accounts of the one-off match-play of amateur or lowly ranked professional players lasting <3 h. Accordingly, these research efforts have likely failed to fully capture the demands of Grand Slam tennis match-play, particularly in the men's game where matches can last >5 h. Furthermore, there is a distinct lack of evidence-based insight regarding the manifestation of fatigue within and between tennis matches, notwithstanding that skeletal muscle function has been reported to reduce following prolonged match-play. Moreover, it is evident that match-play evokes pronounced and prolonged physiological, neuromuscular and psychological perturbations that may be exacerbated with consecutive days of match-play. Separate to these internal load responses, a collection of non-uniform movement and technical performance changes are reported, though rarely from match-play data. Consequently, direct or causal links between altered physiological or muscle contractile function and subsequent match-play outcomes are lacking. Indeed, emerging evidence seems to infer that players adjust their game strategy, and the resultant execution of stroke play, to accommodate any such deterioration in physiological function. The purpose of this review was to discuss the available literature in terms of the physiological, mechanical and psychological responses that occur during prolonged match-play in the context of their likely effect on match-play performance.

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Effect of Carbohydrate Supplementation on the Physiological and Perceptual Responses to Prolonged Tennis Match Play

Cited by 13 publications

References 38 publications

Prevention of perceptual‐motor decline by branched‐chain amino acids, arginine, citrulline after tennis match

Prevention of perceptual‐motor decline by branched‐chain amino acids, arginine, citrulline after tennis match

The effect of a slack-pulling device in reducing operator physiological workload during log winching operations

The development of fatigue during match-play tennis

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