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

Causes of back spasms range from poor posture or minor muscle strains to underlying health conditions like osteoarthritis. Lifestyle changes and home remedies can help to relieve symptoms, along with ...

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

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 ...