Sit-ups stomach pain may be caused by lactic acid accumulation, abdominal muscle strain, if it is caused by lactic acid accumulation, you can continue to do, if it is caused by muscle, you can not continue to do sit-ups.
1. Lactic acid buildup: If you do sit-ups suddenly after too much exercise or a long period of non-exercise, it will cause lactic acid buildup in the abdominal muscles, in this case, you can continue to do sit-ups, but you need to move slowly, the accumulation of lactic acid will disappear after the consumption of pain, you can also apply a hot massage, which will help to alleviate the pain.
2. Abdominal muscle strain: in the process of doing sit-ups in the action amplitude is too large, the action is not standard, and the amount of training more than the muscle itself to withstand the range, will cause muscle tear, causing abdominal muscle strain, in this case you can not continue to do sit-ups, you need to take a proper rest, and so on, fully recovered to do sit-ups.
Crunches stomach ache may also be caused by other reasons, if the symptoms are serious, should go to the hospital in time, clear reasons to give standardized treatment.