Physical Education as a means of health and working efficiency improvement of populationRezeda R. Khasanova, Tatyana V. Saricheva, Antonina A. Soboleva, Vladimir I. Andreev, Oleg I. Zagrevsky, Darya U. Nikonova and Liudmila V. SmagliySHS Web of Conferences, 28 (2016) 01055DOI: https://doi.org/10.1051/shsconf/20162801055