What is the medical term meaning pain in chest muscles?

Angina pectoris (strangle + chest) is a term that was coined in the 1570s. The pain may be in your shoulder, jaw or back, or concentrated in the anterior chest. It can be triggered by exercise, excitement or emotional distress. It is due to decreased blood flow (oxygen delivery) to the heart.

Throacalgia and thoracodynia are also Words referring to pain in the chest. This pain is normally muscular strain, but can be from other sources.