It typically manifests in the upper chest (think under your collar ... could be responsible for it too. And while muscle strains tend to cause pain shortly after you get hurt, costochondritis ...
The sudden, involuntary spasm seems to come out of nowhere, but in reality, hiccups are usually triggered when something irritates your diaphragm, the muscle ... or chest pain that worsens with ...
According to Herbst, here are a few common types of push ups, and the muscle groups that they target: When you elevate your arms using a bench or stairs, the exercise targets your upper chest ...