After practicing in February, the hip circumference reached 40-45 cm, which was a professional level. The arm circumference is between 20 and 20-30 cm, which belongs to the small white level; The arm circumference is between 30 and 30-35 cm, which belongs to the entry level of fitness; And between 35-40 cm, it belongs to the level of fitness veteran; 40-45 cm is professional. For people who work at their desks for a long time and don't exercise, their arm circumference is only about 30 cm. People who have been engaged in physical activities for a long time will have an arm circumference of about 35 cm. The arm circumference of a person who has long-term antagonistic training can reach about 40 cm.