Artiom A. Zharkov

The article presents a theoretical and methodological justification for shadow boxing as a comprehensive training tool in student boxing. The author’s position is to view this practice not only as an element of warm‑up, but also as an independent method that integrates the development of technical skills, biomechanical efficiency, and cognitive‑psychological qualities. Special emphasis is placed on the neurophysiological mechanisms of motor imagination and the role of mental simulation in the formation of tactical thinking and self‑regulation. The relevance of the study is due to the need to i...

In the article, the authors examine the physiological mechanism of muscle acidification in swimmers using fins over short distances. It explains why muscles become fatigued quickly over distances of 50, 100, and 200 meters due to the accumulation of hydrogen ions, and what nutritional strategies — from carbohydrate loading to buffer supplements — can delay fatigue. Examples from the practice of titled Russian and foreign athletes are provided, along with data from clinical studies. Special attention is paid to the regulatory framework for sports nutrition in Russia, including mandatory labelin...