TY JOUR TI Dynamics of health outcomes in middle-aged women engaged in fitness program Healthy Back KW women KW middle age KW functional state KW physical fitness KW fitness program Healthy Back JO Vestnik of Astrakhan State Technical University AU Shishkina, J.. AU Gladenkova, V.. AU Lobanova, J.. AU Bystryakova, E.. PY 2022 IS 2022 PB Astrakhan State Technical University