Is the arm 28cm thick?
The female is 28cm thick and the male is 28cm normal. According to the query fitness software KEEP, the arm circumference of adult males is 25-35cm, that of inactive males is 26cm, that of heavy exercise is 30cm, and that of fitness males can reach 35-40 cm. Therefore, it is normal for men to have an arm circumference of 28cm, and for women it is 28cm thick.