TY JOUR TI The modern fitness industry market in Russia: from producing fitness services to achieving strategic development goals KW fitness services KW fitness market KW sports clubs KW healthy lifestyle KW market dynamics KW competitiveness KW digitalization KW business processes KW and consumer preferences KW production of services JO Theoretical economics AU Golovchanskaya, E.E. AU Rad'ko, M.A. PY 2026 IS 0 PB Yaroslavl State Technical University