Recently, strength-oriented fitness training has become increasingly popular among women. And this is due to the fact that a healthy lifestyle has become a part of modern life, and everyone tries to stay beautiful and healthy. In addition, a strong person becomes the most successful and productive in the modern rhythm of life, the same applies to women. It is known that involution processes begin at the age of 25, with age the muscles become weaker, indicators of physical qualities such as strength, endurance and flexibility become lower, which affects the general condition of a person, directly affecting his health and immunity. Fitness strength training is offered by almost all fitness clubs of different segments, however, it should be borne in mind that the approach to strength training should be maximally adapted to the physical condition of those involved. And here not only age is taken into account, but physical fitness, the state of the musculoskeletal system, the development of the cardiovascular, respiratory systems, etc. The article reveals the influence of strength fitness programs on physical development, the functional state of the respiratory and cardiovascular systems of the body of women of the first mature age