The aspects of development speed - power capabilities for the boys of middle school ages are considered. 88 boys of sixth classes of basic medical group took part in research (age 10 - 11лет). Facilities of development of the indicated capabilities on gymnastic shells with the use of own weight body were exercises. Experimental groups were completed taking into account a difference between the indexes of growth and weight after the index of Brok. Distinctive features of development speed - power capabilities between children appeared in support on the squared beams and in climb on a rope on speed.