In the article, the qualities of speed and strength are interrelated and influence each other when performing physical exercises at the age of 16-18 years. Training with a speed-strength orientation to a greater extent develops these personality traits and has little effect on the development of endurance. On the contrary, endurance training leads to its strengthening, having little effect on the systems and mechanisms responsible for the manifestation of muscle strength. Therefore, it was analyzed that mature and elderly people should use different complexes that allow them to resist evolutionary changes in most organs and systems when performing physical exercises.