Experimental evaluation of the effectiveness of organizational and methodological principles to improve motor function in pre-school physical education Journal title: Slobozans`kij Naukovo-Sportivnij Visnik [Slobozhanskyi Herald of Science and Sport] Authors: Balatska L.| Тернопільський національний педагогічний університет ім. В. Гнатюка Subject(s): Education, Sports and Recreation, Rehabilitation, Health and Wellness