In connection to studying the physical activity and psycho-physical achievements of the students from 7th grade, tests for physical capacity of boys were conducted at "Hristo Botev" Secondary School, Ruse. The tests are mandatory for all 7th grade boys. 102 students participated in two groups -- "A" and "C" classes--experimental ones and "B" and "D" classes--control ones. These tests improve the motion activity, physical qualities, knowledge and skills of students.