Your pectoralis major is a large and powerful chest muscle that’s shaped like a fan. It starts from two sections: your breastbone (sternum) and your collarbone (clavicle). The two sections come ...
Muscle strains, chronic pain conditions, arthritis, or rib injuries may all cause musculoskeletal chest pain. Musculoskeletal chest pain is pain relating to the muscles, tissues, and bones in the ...
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