Exercise to lose weight leg is very sore. I suggest taking a break before continuing. Exercise hind leg acid is the expression of lactic acid production. If it is not serious, you can continue to exercise reasonably and gradually improve your recovery. If you can't heal yourself, you should consider the hospital for diagnosis.
Exercise should be carried out according to the actual situation of your body, adhere to it for a long time, adjust your mentality, and maintain a healthy physical and mental state. Suggest a combination of work and rest.