%0 Journal Article %T Dynamics of health outcomes in middle-aged women engaged in fitness program Healthy Back %A Shishkina, J.. %A Gladenkova, V.. %A Lobanova, J.. %A Bystryakova, E.. %K women, middle age, functional state, physical fitness, fitness program Healthy Back %J Vestnik of Astrakhan State Technical University %D 2022 %N 2022 %P 6 %I Astrakhan State Technical University