Features swimming training in different groups

Nowadays mass swimming lessons still has national importance, because every year die from drowning up to 17 thousand people (2nd place after car accidents). One of the reasons of death of people on water-a low level of swimming fitness. Taking into account the inestimable value of human life, any death because of drowning is a tragedy. If you add to that the sinking mainly of working to increase and children, it can be argued that the problem is important the character of the state.