Left chest muscle pain may be caused by trauma, herpes zoster, pleurisy, lung cancer, angina and so on.
1. Trauma: left chest is subjected to violent impact, extrusion, contusion crack, puncture and other traumatic injuries lead to skin, subcutaneous muscle tissue damage, so will left chest muscle pain. In addition, prolonged push-ups, weight lifting and other strenuous exercise may lead to left chest muscle strain and pain.
2. Herpes zoster: the epidermis of the left chest is infected with varicella-herpes virus, resulting in skin lesions such as pimples and blisters, so the skin and muscles of the left chest will hurt.
3. Pleurisy: Bacterial infection, autoimmune disease and other diseases involve the left pleura, resulting in pleural inflammatory exudation, bleeding and other lesions, which stimulate the nerves of the chest wall and cause pain, so you can have the feeling of flesh pain in the left chest muscle.
4. Lung cancer: after the malignant tumor of left lung is in the middle or late stage, the cancerous tissue proliferates and invades into the left chest wall, which stimulates the sensory nerves of the chest wall to cause pain in the chest wall, and then the sensation of left pectoral muscle fleshy pain can appear.
5. Angina pectoris: after coronary artery stenosis and blockage leads to myocardial ischemia, pain in the precordial area, panic, sweating and other symptoms, which may be mistaken by patients as left pectoral tenderness.
Left pectoral muscle pain may be related to a variety of factors, it is recommended to seek medical attention to clarify the diagnosis.