Chronophysiology of arterial blood pressure and heart rate in athletic horses
2001
Piccione, G. | Assenza, A. | Attanzio, G. | Fazio, F. | Caola, G. (Messina Univ. (Italy). Facolta di Medicina Veterinaria)
The study of chronophysiological responses to physical activity involving the athlete's whole organism, is a complex matter as is the functional evaluation of the athlete. We can simplify it by studying the parameters which are indices of functionality, such as maximum oxygen consumption, heart rate, blood lactate and arterial pressure. Recently, sport chronobiology began studying circadian variations in the cardiocirculatory system, which, since they greatly influence the energetic metabolism of the whole organism, can give a good picture of its global functioning. The lack of data on cardiovascular chronophysiology in the domestic species, particularly in the athletic horse, led us to continue the research we had been doing for some time with the aim of learning more about cardiovascular temporal organization in the horse. Specifically, we wanted to study the circasemidian, circadian and circatrigintan rhythms of arterial blood pressure and heart rate in the athlete at rest. Our research, by applying rigorous statistical methodologies, that use periodic mathematical models, made it possible to observe in the athletic horse, rhythmic variations at different frequencies (circasemidian, circadian and circatrigintan) in both systolic and diastolic pressure and in heart rate. The results obtained thus help to identify the temporal interval in which the organism seems to perform best.
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Эту запись предоставил University of Ljubljana