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

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.

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.

People sometimes refer to neurological conditions that cause dystonia (involuntary movement) as “dystonias.” There are many types, and they can affect people of different ages and in different ways.

Your back never used to give you this much trouble, but now, here you are: after 30, the conversation around any backache cause gets more layered because spinal discs begin losing hydration, core ...