The book “Heart Activity and Functional Preparedness in Athletes (Normal and Atypical Changes in Normal and Altered)” is a unique study. which brings together the efforts of a whole team of authors , Trying to understand , How the Heart of an Athlete Works in Different Conditions This work will be a real discovery for coaches, sports doctors, students and anyone interested in sports medicine and physiology. This book examines the key aspects of cardiac activity that are fundamental to achieving high performance in sports. The authors analyze in detail how physical activity affects the cardiovascular system, and what changes can occur both in normal and in atypical reactions. The reader will be able to learn about how to correctly assess the functional fitness of athletes, as well as what factors can adversely affect their health. The book will be especially interesting for those who are engaged in professional sports or are just starting their way in this direction. Students of the faculties of physical culture and sports medicine will find here a lot of useful information that will help them in their studies and practical activities. Trainers and sports doctors will be able to use the acquired knowledge to optimize the training process and improve the health of their wards. The topics raised in the book cover a wide range of issues, from normal heart rate to possible abnormalities that may result from excessive exercise or improper preparation. The authors emphasize the importance of an individual approach to each athlete, given its physical and psychological characteristics. This makes the book relevant not only for professionals, but also for sports fans who want to better understand how their body works. The style of the authors is distinguished by scientific rigor, but at the same time the accessibility and clarity of the presentation . This allows the reader to easily assimilate the information and put it into practice. The book is filled with examples from real practice, which makes it even more fascinating and useful. The authors rely on modern research and achievements in the field of sports medicine, which makes their conclusions relevant and reliable. If you are looking for literature that will help you deepen your knowledge of the cardiovascular system of athletes, this book will be an indispensable source of information. It may also be useful for those interested in health and physical activity in general. Readers who are looking for similar works can pay attention to books on sports physiology, medical rehabilitation, as well as works on sports psychology and dietetics. In conclusion, “Heart Activity and Functional Preparedness in Athletes” is not just a book, but a real encyclopedia of knowledge that will help you better understand how to maintain health and achieve high results in sports. Immerse yourself in the world of science and discover new horizons that will help you or your wards become more successful and healthier!