Adjei, MD Key Takeaways Causes of back spasms range from poor posture or minor muscle strains to underlying health conditions ...

Add Yahoo as a preferred source to see more of our stories on Google. Many of us have felt a muscle in some part of our body suddenly and involuntarily tighten, causing a twitch or even severe cramp.

A back spasm involves a sudden, involuntary muscle contraction that can be set off by something as routine as lifting a bag or sitting for too long. Muscle fatigue, dehydration, and nerve irritation ...

or dehydration, persistent muscle spasms can sometimes be linked to neurological, musculoskeletal, metabolic, postural, or stress-related medical 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 your foot that begins to spasm – sometimes for a few seconds, sometimes for ...