%0 Journal Article %T Features of the Application of Instrumental Methods for Lumbosacral Muscle Groups Functional State Assessing %A Borodulina, I.. %A Mukhina, A.. %A Chesnikova, E.. %K %J Bulletin of Rehabilitation Medicine %D 2021 %N 20 %P 7 %I Federal State Budgetary Institution «National Medical Research Center of Rehabilitation and Balneology» of Ministry of Healthcare of Russian Federation