Can Carrying A Heavy Backpack Cause Muscle Weakness In Chest?

Can Carrying A Heavy Backpack Cause Muscle Weakness In Chest? Examples include: neuromuscular disorders, such as muscular dystrophies, multiple sclerosis (MS), amyotrophic lateral sclerosis (ALS) autoimmune diseases, such as Graves’ disease, myasthenia gravis, and Guillain-Barré syndrome. thyroid conditions, such as hypothyroidism and hyperthyroidism. How do you know if chest pain is muscular? pain, which may