Features of changes in the heart rate of rats exposed to different modes of motor activity after a traumatic brain injury

For the first time, studies were conducted to study the response of animals ' heart rate to various modes of motor activity after a traumatic brain injury. It was revealed that in the first day after modeling an open craniocerebral injury, rats of all age groups had a pronounced increase in heart rate. At the same time, the lowest heart rate response to brain injury is observed in immature animals. It was found that performing systematic dynamic exercises in Mature and pre-adolescent animals after modeling a traumatic brain injury contributes to a significant reduction in heart rate. More pronounced formation of bradycardia of fitness is observed in immature animals. It was found that restriction of motor activity and performing isometric exercises after a traumatic brain injury maintain the heart rate at an elevated level in all age groups of animals and significantly inhibits the natural, age-related reduction in the heart rate of immature animals.