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Tight and rigid muscles are often the result of injury. Sometimes, muscle tightness and rigidity can occur with other symptoms, such as muscle pain and spasms, or reduced mobility.
Classic SPS. This is the most common variant (up to 80% of SPS patients). Symptoms typically start in the "core" muscles of the trunk (including the chest), abdomen, back and/or proximal limbs.
Symptoms include stiffening in the torso and limbs, along with muscle spasms. Symptoms can be triggered by environmental stimuli (like loud noises) or emotional stress.
Feeling your leg muscles twitching after a walk can be alarming. However, this common symptom can occur from fatigue, ...
Lockjaw occurs when you can't open your mouth fully. It can stem from many different conditions, with treatments ranging from ...
Though many people experience muscle twitching, it's often incorrectly identified as a muscle spasm. While both are involuntary contractions of a muscle, muscle spasms and muscle twitching aren't ...
Voluntary muscles generally contract when you ask them to, as in running, and not at rest. This can occur with exhaustive exercise, but it can occur at distances that are usually not considered ...
Her neck muscles misfire causing spasms and this tremor. “Some people have problems with their neck; they can have abnormal posturing where their neck is turned.
Back pain has become relatively common among people recently diagnosed with COVID-19. Three COVID-19 patients told Insider the symptom resembled intense period cramps, kidney stones, or muscle spasms.