What causes muscle spasm in the lower back?
Lower back muscle spasms are among the most common causes of sudden pain. They can make it hard to sit, stand, walk, or even lie down comfortably, and they often come back just when you think you’ve recovered. Affecting more than 619 million people, lower back pain is the leading cause of disability worldwide, and […]
What Causes Muscle Spasm Behind the Knee?
Did you know that 6 in 10 adults get leg cramps at some point in their lives? Most people think that these cramps happen in the calf, but muscle spasms behind the knee are also common. They can appear suddenly, cause sharp pain, and make it hard for you to move or even sleep. To […]