The bulk or your heart is located on the left side of your chest ... Muscle strain is a leading cause of pain in the middle area of the back, but referred pain from other areas of the body is also a ...

Pain in your left side does not ... “usually develops in the middle or left side of your tummy and can move along your back,” ...

It can feel like pressure or squeezing in your chest, and may spread to your shoulders, arms, neck, jaw, or back, the NHLBI ... nerve-related causes of left-side chest pain,” she notes, but ...