A lower back spasm usually feels like a muscle is firmly contracting or moving. However, it might also feel like a dull ache that moves, a sharp pain in a specific location, or any combination of these painful sensations. Some people also find that pain from lower back spasm radiates to other areas of the body, such as the hips or legs.
In this article, we look at the causes of lower back spasm as well as prevention, diagnosis, first aid for symptoms, and treatment.
Causes
Common causes of lower back spasm are poor posture, arthritis, strains, and nerve damage.
Lower back spasm usually occurs due to injuries or inflammation.
In some people, the cause may be something relatively minor, such as a mild strain. In other people, a serious underlying condition may be responsible, such as a herniated or ruptured spinal disc.
Some of the most common causes of lower back spasm include the following:
Poor posture
Poor posture, especially when sitting at a desk or in a car, can strain the back muscles. This can cause painful spasms. Some people may adapt their posture to deal with the spasms, potentially making the pain worse.
Not getting enough exercise
According to the Centers for Disease Control and Prevention (CDC), only around 20 percent of U.S. adults are spending enough time exercising.
It is common for people to pass much of the day sitting down or hunched over a computer screen. Over time, this can weaken the muscles in the back and other areas of the body. The lower back may attempt to compensate for this weakness, which can cause painful muscle spasms.
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