It is normal for muscles not to exercise for a long time, and this phenomenon will occur when they are suddenly stimulated by a large amount of exercise. There is no need to panic.

I suggest you don't stop exercising because your muscles are sore, but stick to it. After a period of time, your muscles will adapt to this intense stimulation without obvious pain.

Life lies in exercise, and aerobics belongs to aerobic exercise, which has a good effect on reducing fat and shaping. Persistence is the most important thing.