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Stiff-person syndrome (SPS), also known as stiff-man syndrome, [1] is a rare neurological disorder of unclear cause characterized by progressive muscular rigidity and stiffness. The stiffness primarily affects the truncal muscles and is characterised by spasms , resulting in postural deformities.
Spasticity (from Greek spasmos- 'drawing, pulling') is a feature of altered skeletal muscle performance with a combination of paralysis, increased tendon reflex activity, and hypertonia. It is also colloquially referred to as an unusual "tightness", stiffness, or "pull" of muscles.
The National Institute of Neurological Disorders and Stroke (NINDS) defines SPS as a progressive disorder, characterised by “stiff muscles in the trunk (torso), arms, and legs; and greater ...
Celine Dion says stiff person syndrome is causing spasms that are affecting her singing. Here's what to know about the rare disorder and why it's so serious.
Spastic hypertonia involves uncontrollable muscle spasms, stiffening or straightening out of muscles, shock-like contractions of all or part of a group of muscles, and abnormal muscle tone. It is seen in disorders such as cerebral palsy, stroke, and spinal cord injury. Rigidity is a severe state of hypertonia where muscle resistance occurs ...
“I have to admit it’s been a struggle,” Celine Dion said of her recently discovered disorder.
Delayed onset muscle soreness (DOMS) is the pain and stiffness felt in muscles after unaccustomed or strenuous exercise. The soreness is felt most strongly 24 to 72 hours after the exercise. The soreness is felt most strongly 24 to 72 hours after the exercise.
Spastic cerebral palsy is the type of cerebral palsy characterized by spasticity or high muscle tone often resulting in stiff, jerky movements. [1] Cases of spastic CP are further classified according to the part or parts of the body that are most affected. [2]