00885naa#a2200181#i#450# EN\\bibl\108817 20260206183327.5 1994-4683 20260129b2026####ek#y0engy0150####ca RU Methods for functional pedagogical testing of stabilizer muscles in the cervical spine in children with Down syndrome Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2026 6 с. Journal article local Методика физического воспитания. Пути и средства физического воспитания. Учебные заведения физической культуры. 796.011.3 Bezryadnov Egor Alexandrovich Eydel'man Lyubov' Nikolaevna uchzapiski.lesgaft.spb.ru