TY JOUR TI PROSPECTS OF APPLYING PHYGITAL TECHNOLOGIES IN THE TRAINING PROCESS OF VOLLEYBALL PLAYERS KW phygital sport KW digital technologies KW augmented reality KW virtual environment KW artificial intelligence KW AR/VR/MR simulators KW volleyball training KW optimization of sports preparation KW sensorimotor skills JO Modern Technologies and Scientific and Technological Progress AU Rzhanov, A.A. PY 2026 IS 2026 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»