TY JOUR TI ECHOGRAPHIC OPPORTUNITIES OF LUMBAR SPINE PARAVERTEBRAL MUSCLES STATE ESTIMATION IN CHILDREN WITH INITIAL MANIFESTATIONS OF ADOLESCENT IDIOPATHIC SCOLIOSIS KW scoliosis KW diagnosis KW paravertebral muscles KW echography KW muscle density KW muscle cross-sectional area JO Bulletin of Rehabilitation Medicine AU Rybka, D.O. AU Sharova, L.E. AU Dudin, M.G. PY 2019 IS 2019 PB Federal State Budgetary Institution «National Medical Research Center of Rehabilitation and Balneology» of Ministry of Healthcare of Russian Federation