American scientists analyzed about 300 scientific studies and found out when physical activity can harm health, in particular, cause heart problems. It is reported by the publication MedikForum.

Despite the fact that sport has a positive effect on all body systems, including cardiovascular, there are situations when physical activity leads to disruption of its work. First of all, this applies to people who are not adequately prepared for serious stress and who have contraindications for health. When is sport harmful to the heart

Aerobic exercise This group includes swimming, long-distance running, cycling and other activities that increase heart rate. If during such exercises the heart rate accelerates very quickly - you should consult a doctor and undergo an examination.

Stretching These exercises help make the muscles more elastic and the body more flexible.. But a load of this kind should be increased gradually. If during stretching it hurts, then it’s worth stopping.

Strength training Such exercises can not be performed more than 3 times a week, because the muscles need to be given time to recover. If during rest you feel pain and discomfort, then it is better to consult a doctor so as not to harm the body with overload.

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