Many of us have felt a muscle in some part of our body suddenly and involuntarily tighten, causing a twitch or even severe cramp. Muscle spasms are common and typically don’t signal a severe health ...

You may be familiar with that feeling — you stand too quickly or turn too suddenly and feel that slight “tug” in your back. But while a muscle pull may put you out of action for a few days, back pain ...

About 90% of people have lower back pain at some point. The pain can feel different from person to person depending on the cause. Pain in the lower right side of the back can be due to many conditions ...

You're relaxing on the sofa when suddenly your eyelid starts twitching. Or perhaps it's a muscle in your arm, your leg, or ...

Lower spine pain can develop due to sprains and strains of muscles or changes to the discs in the lower back. Conditions that affect the facet joints of the vertebrae may also cause lower spine pain.

A herniated disk can cause lower back pain, numbness, tingling, and other symptoms. Certain factors make a herniated disk in the lower back more likely. Treatment may depend on the severity. Other ...

Back pain is extremely common — most people will experience it at some point in their lives, and lower back pain is the leading cause of disability worldwide. Back pain sounds pretty self-explanatory, ...

A bulging disc in your lower back is most often caused by naturally occurring changes as you age. Most bulging discs don’t cause symptoms, but they may progress to become herniated discs. Lower back ...

Infectious agents can cause muscle twitching and spasms, too. The most commonly known is probably tetanus, which causes a phenomenon called lockjaw, where the neck and jaw muscles contract to the ...