Ryabova, I., Chernogorov, D., Sobolevskaya, T., Filippova, S. and Alekseeva, S. 2024. IMPROVEMENT OF POSTURE IN PRIMARY SCHOOLCHILDREN AT PE LESSONS. Human. Sport. Medicine. 23, 4 (Jan. 2024), 179-186. DOI:https://doi.org/10.14529/hsm230422.