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 ...

Medically reviewed by Amy Kwan, PT Lower right back pain can come from issues with muscles, discs, joints, or internal organs ...

An estimated 80% of the population will suffer from lower back pain at some point. The good news is that preventing it is a lot easier than treating it ...

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.

Lower back pain is one of the most ubiquitous health complaints in the world. In fact, the World Health Organization says that low back pain is the single leading cause of disability worldwide—but ...

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 ...

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