Stomach muscles
these muscles can move in your stomach in not a referable question pleese comment
A relaxed stomach is when the muscles are not engaged or tightened, while a flexed stomach is when the muscles are contracted and tightened.
you may be speaking of a Hurnia, an injury to the stomach muscles when the intestines come through the muscles of the stomach
do excerice
an adbomas
Hyper extend
There are actually FOUR layers of muscle in the stomach.
the muscle gets pulled
You run or walk with your legs. Your stomach is used to break down food. The two have different muscles to complete different tasks.
skeletal
Muscles, fat, and water.