Lee Haney’s back was the factor that led to his 8-year-long Mr. Olympia reign. Aspiring bodybuilders or fitness enthusiasts, ...

Repeated exercise, or wasting, can change the way key genes work.

Cindy asks the question: 'Who Do I See To Help Me Strengthen My Back Muscles?' — -- Question: My name is Cindy, and I've had back pain for 12 years. I get frequent muscle spasms from the pain.

What Is the Body’s Core? Your body’s core is the term used for the group of muscles within your midsection that stabilize your spine and pelvis. Several muscles and groups of muscles make up the core ...

Muscle relaxers help reduce muscle stiffness and pain from conditions like cerebral palsy and lower back pain. There are two main types of muscle relaxers: antispastics and antispasmodics. Muscle ...

If your fitness goal is to up the ante on endurance, pack more power into your sprint, or supercharge your strength gains in the gym, it’s worth exploring – what are the different muscle fiber types?