ABSTRACT
Introduction:
High intensity exercise is an important factor to achieve the best exercise effect, and is closely related to the patient's safety and rehabilitation.
Objective:
To investigate the effects of high intensity exercise on cardiovascular response and substance and energy metabolism.
Methods:
50 male students at a university were selected. The average age of the subjects was 23 years old. Process of the experiment: Before the experiment, each subject took routine warm-up activities first, then put on the experimental equipment and began to run 100 meters. At the same time, the subjects’ heart rate, blood oxygen parameters and exercise time were recorded. After passing the finish line, a period of heart rate recording and blood oxygen parameters were continued.
Results:
Anaerobic metabolism was the main activity in the 100m race. The first 7s after the start of the race, there is a non-lactic acid process without oxygen metabolism, and the muscle oxygen saturation curve presents little change.
Conclusions:
High intensity exercise in sports training and physical exercise can lead to reduced heart rate variability. The increased incidence of various arrhythmias should be based on the actual situation of the movement of the object, and a reasonable arrangement of exercise load intensity. Level of evidence II; Therapeutic studies - investigation of treatment results.
Keywords:
Physiology; High-Intensity Interval Training; Exercise
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