This study aimed to investigate the use of teaching competences and its role on the development of basic motor skills of primary school children (from 6 to 7 years old). The sample population consisted of 40 pupils (girls and boys), the researcher have found that: (1), the formation of goals within teaching by competences units in the form of skills are easy to be identified and distinguished with the use of a level of acceptance for the performance (efficiency indicators) and (2), the impact of teaching by competences units through different performances of the skills, the static kinetic conditions and dynamic ones in the improvement of the capacity to held up the constancy of the body, and the capacity to overcome the impact of gravitational forces for the experimental sample.