Anxiety
Decrease
Causes it to give a note of higher frequency
Over tightening the drain plug.
Any disorder with the ribs can certainly cause lumbar pain. Perhaps the body is favoring the ribs and carrying itself in a way that causes lumbar strain.
You're pregnant. Sucks to suck
Tightening in a mans stomach may be caused from a stomach flu. It could also be due to muscle spasms. If they hurt, see a doctor.
If somebody punches you there.
Muscle spasm
its called a fuctonidal infection
The inter coastal muscles in between the ribs make the ribs expand. the pleural membrane is like a slippery skin that sticks to the ribs and when they expand the lungs expand aswell.
One of the causes of the great crash was an increase in credit. Next, came the tightening of credit which lead to share sales. Lastly, many countries raised tariffs.
The ribs rise up during inhalation when the diaphragm contracts and moves downward, creating more space in the chest cavity. This causes the ribs to move up and outwards. During exhalation, the diaphragm relaxes and moves back up, while the ribs move downward and inwards to decrease the space in the chest cavity.