Cardio fitness through the eyes of a doctor. Dangerous/safe fitness.

Lately, engaging in sports has become not only a way to maintain health, but also a fashionable trend - even those who previously avoided physical activity are starting to do fitness. Fitness is becoming an integral part of our existence, and the promotion of a healthy lifestyle undoubtedly brings benefits. However, not everyone knows how to perform exercises without harming their health. This book will be your guide to action, an instruction on the correct and safe performance of exercises that will actually make you healthier, helping to maintain the overall condition of your body. Proper cardio workouts that do not harm your body, recommendations from a doctor, and exercise breakdown - all in one book!