There is some disagreement about the ability of a state to rescind an amendment ratification prior to full ratification. In U.S. history, thus far, no rescinded ratifications have made a difference in the long run, though they certainly have happened, especially to the Reconstruction Amendments, 13 through 15.
The Intercostal Muscles. These muscles are found between the ribs, and there are two kinds: the internal and external intercostals. The internal intercostal muscles (in the inside of the ribcase) extend from the front of the ribs, and go around back, past the bend in the ribs.
Strain on the Intercostal Muscles. The intercostal muscles are just one of the many groups of muscles which connect the ribs. These particular muscles expand and contract as we breathe; it is very noticeable when these muscles are inflamed or infected as you will feel a pain under right rib cage.