Youre just working muscles that you normally dont work
There are a number of reasons why you may have sore skin on your stomach and back. You may be having an allergic reaction for example.
Open sores that occur inside the stomach lining are called ulcers. Having these ulcers frequently is referred to as open sore stomach.
If you have a cramping feeling in your torso (possibly near the stomach), it could mean that you have sore muscles in that are and that when the diaphragm lifts to let air flow through your lungs, the sore muscles contract, which causes the pain -- unless it really is hurting directly in your stomach.
an ulcer
An ulcer.
Pregnancy.
Ulcer
I really don't ask someone else
It can mean that your menstrual cycle is about to start.
i would go see a doctor if i was you.......but you could be getting you're period
Gastric Ulcer
Yes you should it helps the pain I have a really sore back too and the heat pack is really helping