%0 Journal Article %T AGE-RELATED GENDER DEVELOPMENT AND PRESERVATION OFPHYSICAL QUALITIES %A Buchin, N.I. %A SHvetsov, M.E. %K professional sports, amateur sports, physical qualities, endurance, speed, strength, agility, flexibility, men, women, sports of the highest achievements %J Scientific notes of P. F. Lesgaft University %D 2023 %N 0 %P 4 %I National State University of Physical Education, Sports and Health named after P.F. Lesgaft