How the rhythm of heart is determined
Cyclists Sir Chris Hoy and Miguel Indurain reported that heart rate at rest in them was 30 and 28 beats per minute, respectively. Dr. Alicia D'Souza from the University of Manchester is the head of research, said: "The rhythm of the heart is determined by so-called" pacemaker ", but they, in turn, are controlled by the nervous system." Polar FT4 Heart Rate Monitor Review
Wandering nerve reduces the purity of heart rate, and therefore it is considered that bradycrotic athletes is the result of increased activity of the nerve. But our research shows that it is not only this. In fact, changes in the heart rhythm occur in response to exercise, but also in this case there is significant reduction in the amount of protein responsible for the heart rate, known as HCN4, which just leads to infrequent pulse.
" Researcher’s report that such molecular changes of the sinus node - is cardio structure responsible for generating cardiac rhythm - help us to understand the cause of more frequent compared with conventional emergence of rhythm disturbances and even episodes of loss of consciousness in athletes. For more details
Professor Mark Boyett, the lead researcher, adds: "This is important because normally bradycrotic athletes do not create any problems, whereas older athletes with a long history of training are more likely to be in need to install a pacemaker." Annually in Europe and America more than 500 run marathons, which involved more than a million participants. And the number of such people is growing every year by an average of 5 percent.
