The article presents primary information about conditions and qualities of posture of pupils in the 4th grades in the cities L. Mikuláš and Ružomberok. In terms of method of data collection, we have chosen standardized method of evaluating posture for clinical and pedagogical practice. We have found that girls (Chí = 12,132; p < 0,1%) as well as boys (Chí = 10,283; p < 0,1 %) have poor postures which we define as III. qualitative group of posture evaluation. Significantly (p < 0,1 %) problematic areas are already defined of the period of life include areas of arms and position of the shoulder blades, as well as the head. Listed partial discoveries are included in the grant: VEGA no. 1/0376/14 Intervention as physical activity as health prevention of Slovak population.