Research is realized on sample of 500 scholars aged 12, consisted of two samples, 250 boys and 250 girls. Basic aim of research is defining and comparison of motor structure between boys and girls. 21 tests for estimation some motor abilities are used. Structure of each sub-sample was defined by promax factor solution. At boys are isolated eight, at girls seven latent motor dimensions, so different motor structure is presented. But, according Tucker's coefficient significant similarity was established only between first isolated factors of both sub-samples (T= .95), that is saturated of tests for rhythmic structure estimation.
