Yes, you can. Exercising muscles, especially those of the back muscles, can better support the spine. But we must pay attention to moderation and combine work and rest. It is best to avoid too intense and antagonistic sports. If you really want to do it, it is best to be evaluated by a doctor, under the guidance of professionals, and conduct regular film reviews to avoid aggravating the condition. Voluntary movement is likely to do the opposite, aggravating lateral bending. If you are underage and the bones are not closed, you can learn the medical physical training of scoliosis, and don't increase the burden on the spine just to gain muscles.