Prediction of triathlon race time from laboratory testing in national triathletes

Article Abstract:

Triathlon race time prediction from laboratory testing in national triathletes has been studied. It was found that race time for elite triathletes competing over the Olympic distance can be predicted correctly from results of maximal and submaximal laboratory measures. The five most significant predictors were blood lactate measured in steady-state cycling, blood lactate while running, peak treadmill running velocity, and NO(sub.2peak) in cycling.

South Africa, Oxygen, Swimming, Lactic acid, Running, Olympic athletes, Oxygen in the body, Triathlon

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Tissue Doppler assessment of ventricular function during cycling in 7- to 12-yr-old boys

Article Abstract:

A study of 14 healthy boys ages 7-12 yrs was conducted to investigate ventricular systolic and diastolic functional responses to maximal upright dynamic exercise stress using color-coded tissue Doppler imaging. The data shows that measurement of tissue Doppler imaging is viable during maximal upright exercise and velocities obtained provide insights into ventricular systolic and diastolic functional capacity.

Health aspects, Analysis, Measurement, Physical fitness, Heart beat, Heart rate, Doppler echocardiography, Clinical report

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Cardiac responses to exercise in competitive child cyclists

Article Abstract:

Cardiac responses to exercise have been investigated in competitive child cyclists. Findings suggest that maximal stroke volume is the critical determinant of the high VO(sub.2max) in child cyclists. Factors that influence resting stroke volume are important in VO(sub.2max) differences between untrained boys and child endurance athletes.

United States, Children, Heart

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