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The purpose of this study was to determine the effect of altering substrate availability on metabolism and performance during intense cycling. Seven highly trained men ingested a random order of three isoenergetic meals 90 min before cycling at 80% maximal oxygen uptake (VO2max) for 20 min (about 310 W), followed by a 600 kJ time trial lasting about 30 min.(More)
The fluid and food intakes of 7 male participants in a 100-km ultramarathon were recorded. The mean exercise time was 10 hr 29 min. Nutrient analysis revealed a mean intrarace energy intake of 4,233 kJ, with 88.6% derived from carbohydrate, 6.7% from fat, and 4.7% from protein. Fluid intake varied widely, 3.3-11.1 L, with a mean of 5.7 L. The mean decrease(More)
Eight competitive cyclists [mean peak oxygen consumption, (VO2(peak)) = 65 ml x min(-1) x kg(-1)] undertook two 60-min cycle ergometer time trials at 32 degrees C and 60% relative humidity. The time trials were split into two 30-min phases: a fixed-workload phase and a variable-workload phase. Each trial was preceded by ingestion of either a glycerol(More)
OBJECTIVES The aim of the study was to determine if Lyprinol(®) is effective in reducing pain, indicators of inflammation and muscle damage, and in turn improving performance in well trained athletes suffering from delayed onset muscle soreness (DOMS). DESIGN A double blind randomised placebo controlled trial. SETTING Twenty well trained male(More)
PURPOSE To investigate the metabolic demands of a single session of intense aerobic interval training in highly trained competitive endurance cyclists. METHODS Seven cyclists (peak O2 uptake [VO2 peak] 5.14 +/- 0.23 L x min(-1), mean +/-SD) performed 8 x 5 min work bouts at 86 +/- 2% of VO2 peak with 60-s recovery. Muscle biopsies were taken from the(More)
OBJECTIVE To investigate biochemical changes related to muscle breakdown, hepatic damage, hyponatraemia, and a number of other variables in the serum of participants in a 1600 km ultramarathon run. METHODS Blood samples were obtained from nine participants (seven men, two women) in a 1600 km foot race before, after 4 and 11 days of running, and at the(More)
BACKGROUND In 2010, the European Society of Cardiology (ESC) released recommendations for the interpretation of the 12-lead ECG in athletes, dividing changes into group 1 (training related) and group 2 (training unrelated). Recently, the 'Seattle Criteria', a series of revisions to these recommendations, was published, with the aim of improving the(More)
OBJECTIVE To determine the clinical and performance related utility of hematological and iron-related screening in elite athletes. DESIGN Prospective cohort study. SETTING The Department of Sports Medicine at the Australian Institute of Sport. PARTICIPANTS Male and female elite athletes undergoing routine medical screening over a period of 2 to 3(More)
  • K E Fallon
  • 2001
OBJECTIVE Controversy exists in relation to the nature of the acute phase response, which is known to occur following endurance exercise. This study was conducted to demonstrate the similarities between this response and the response consequent to general medical and surgical conditions. DESIGN This is a case series field study of serum levels of acute(More)
OBJECTIVE To determine the presence or absence of an acute phase response after training for court and field sports. PARTICIPANTS All members of the Australian women's soccer team (n = 18) and all members of the Australian Institute of Sport netball team (n = 14). METHODS Twelve acute phase reactants (white blood cell count, neutrophil count, platelet(More)