CASE STUDY ON THE RESPONSES OF CARDIORESPIRATORY AND ENERGY SYSTEMS TO 200-METER STAND-UP PADDLE IN MALE ATHLETES
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Abstract
This research aimed to investigate the responses of the cardiorespiratory and energy systems to 200-meter stand-up paddle (SUP) in male athletes. Subjects were 6 athletes with an average of one year of experience in SUP competitions. All completed a test by paddling SUP for 200 meters at maximal effort on a paddle ergometer. The paddling time was recorded along with the measurements of an average value of the physiological and biomechanical parameters every 50 meters and throughout the 200-meter paddling. The percentage change in the value of physiological variables during paddling compared with rest and in the value of biomechanical variables during the last 50 meters compared with the first 50 meters were analyzed. The results revealed that during the SUP paddling, heart rate, minute ventilation, oxygen consumption (L/minute), carbohydrate oxidation, and the contribution of carbohydrate oxidation to energy utilization increased by an average of 67.55±27.01%, 982.19±721.00%, 977.19±661.29%, 2,248.60±3,050.77%, and 62.08±48.49%, respectively, while fat oxidation and the contribution of fat oxidation to energy utilization decreased by an average of 411.78±489.01% and 71.35±32.70%, respectively. In addition, there was a decrease in paddling speed in the last 50 meters compared with the first 50 meters. In conclusion, the 200-meter SUP paddling is fueled primarily by carbohydrate, and has profound effect on the functioning of the cardiorespiratory system.
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