%0 Journal Article %T Methodological approaches to developing speed-strength abilities in primary schoolchildren with mental retardation in physical education classes %A Snigur, M.E. %A Setyaeva, N.N. %K adaptive physical education, speed-strength abilities, primary schoolchildren, developmental delay, physical culture, methodological approaches %J Scientific notes of P. F. Lesgaft University %D 2026 %N 0 %P 6 %I National State University of Physical Education, Sports and Health named after P.F. Lesgaft