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 ...

Lunges are popular for toning and strengthening your legs, including a group of muscles called the quadriceps. Your quad muscles extend from your hips to your knees at the front of your thighs. Having ...

Dan Baumgardt does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Dear Dr. Donohue • Over the weekend, I played basketball with some neighbors, all of whom are younger than me and all of whom made a big deal about that. I wanted to show them I could keep up with ...

A pulled muscle—medically known as a strain—occurs when muscle fibers are stretched too far and sometimes tear. While mild ...

The obliques are the muscles running down either side of the abdomen. Pain in these muscles often occurs due to a type of injury known as “side strain.” There are two sets of oblique muscles: external ...

When an Olympic athlete experiences a muscle injury, whether they are able to finish competing may depend determining which part of the muscle is injured. Tokyo, Japan—In a recent study, researchers ...

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 ...