A pulled muscle is an injury to your muscle fibers. Muscle fibers are the large cells that make up your muscles. Your muscles allow you to move when they contract and relax. Many people use the terms ...

This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. A muscle strain, or a pulled muscle, is among the most common injuries affecting people of all ages, particularly those engaging in ...

Because of the large collection of lymph nodes, hair follicles and sweat glands found in the hollow created by your chest wall, muscles and shoulder bones, any number of things can cause pain in the ...

Possible causes of pain in the middle of the biceps include muscle strain, bruising, and more. In rare cases, it can be due to a heart attack. Treatments will depend on the cause. The biceps is the ...

Tampa (BLOOM) – If you’ve ever pushed yourself through a challenging workout, chances are you’ve experienced that familiar ache in your muscles afterward. Muscle soreness, also known as delayed onset ...

Right-sided pain under the armpit may be due to muscle strain, infections, or skin conditions. Sometimes, armpit pain may indicate a more serious issue, such as cancer or a heart issue. The armpit ...

Back pain affects millions of people daily, but determining whether discomfort stems from muscle strain or spinal issues can mean the difference between quick recovery and prolonged suffering.