Strengthen the equipment practice of upper limbs, mainly to increase muscles. The coach will tell you the specific number of times and groups. Swimming is also a good exercise, especially deltoid muscle. If the lower limbs are muscular, you can't do heavy exercise any more, and it will get thicker and thicker. If they are fat, they can do slimming and shaping exercises, such as treadmills, elliptical machines and stair treadmills.