Bathing in open water
Bathing, especially at sea, increases resistance to colds, stimulates blood circulation, cardiac muscle activity, improves metabolism, and has a beneficial effect on the nervous system.
But, in order not to harm yourself, it is best to start the swimming season at an air temperature not lower than 20 – 22 °, and water – 18 – 20 °.
Practically healthy people can bathe two or three times a day with a break of three to four hours. It is recommended to swim not earlier than one hour after a light breakfast and two to three hours after lunch.
Do not enter the water with sweaty skin and if you are cold, First dry and warm up.
If you are weakened by a recent illness, in the first days it is recommended only to dip. This wish also applies to people suffering from atherosclerosis and angina, spasms of cerebral vessels.
Older people who have reduced vascular elasticity, as well as those suffering from hypertension or neurocirculatory dystonia. it is better to enter the water carefully. Do not jump or dive with a running start: first wet the face, neck, chest with water, then take a dip.
For those who have ever had vegetative-vascular disorders, manifested by dizziness, weakness, which is often observed in cervical osteochondrosis, it is dangerous to sail far from the coast, since turning the head can cause acute dizziness and sometimes loss of consciousness.
Bathing in open waters with exacerbations of chronic diseases, with circulatory failure, and pregnant women – in the first three and last two months are strictly contraindicated.
A few words about bathing children, who usually love to bathe, and it can be hard to get them out of the water in time.
They quickly overheat in the sun and overcool in water, as their thermoregulatory mechanisms are imperfect. Therefore, begin bathing with unheated children at an air temperature not lower than 22 °, water — 21 °, wind speed — no more than 3 meters per second, and waves of the sea — no more than 1-2 points. When the water temperature is 21 °, the duration of swimming is 2 – 3 minutes, at 22 – 24 ° – 5 – 7 minutes, 25 – 26 ° – 10 – 15 minutes one – two times a day. Children with chronic pneumonia, bronchial asthma, other chronic diseases, can begin to swim only when there is no exacerbation, and with the permission of the doctor.
Bathing is useful for children and adolescents with dysfunctions of the musculoskeletal system, scoliosis, poor posture, muscular atrophy, biliary dyskinesia, obesity, chronic broncho-pulmonary diseases, arterial hypertension.