To evaluate the changes of body composition regularly plays an important role in monitoring the growth of athletes, improving the training results, assessing the conditions of health and nutrition. The traditional 2C model often results in measurement errors owing to its inappropriate selection of reference models. DXA, as the golden standard in assessing 2C model, may measure the bone density accurately and provide more information on systemic and partial muscles and fat. It has been more and more widely used in body composition study of sports medicine due to its good measurement repeatability, quickness, simplicity and low radiation. Therefore, it is an advanced instrument worth recommending. |