You finally get back into the gym and decide to work on your pull-ups. It might have been a while since you've done them, so you later feel some pain between your ribs. You could also feel tightness ...

In between the rib bones are the intercostal muscles ... In addition to side or back pain, you experience nausea and ...

Ankylosing spondylitis, an inflammatory form of arthritis, primarily impacts the spine, but it can also affect other areas of the body, such as the ribs ... your back can contribute to pain ...

Symptoms of rib injury include localized pain that can be severe. The rib cage glides open a bit with each breath and flexes in response to motion, each of which can also trigger pain or discomfort.