TY JOUR TI METHODOLOGICALFEATURES OF THE USE OF INDIVIDUAL FITNESS TECHNOLOGIES IN A HEALTH CAMP WITH CHILDREN AGED 7-10 YEARS KW fitness technologies KW stretching KW aerobics KW junior schoolchildren KW health camp JO Scientific notes of P. F. Lesgaft University AU Borisova, V.V. AU Arkhipova, S.A. PY 2023 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft