Place the legs on the table. Indent each side of the page, and then gradually. Press force on the knee with the hand holding the 2 sides and 1-5 then relax down. This stance is a brisk muscle stretch knee each side repeated. Each side 10 times.
Put his feet on the desk opposite page one by one, and then gently press down on the knees, with strong 2 on hold and count 1 -5 then relax down. This is the calf muscle stretching repeated knee one by one side 10 times.