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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.
Like many autoimmune diseases, SPS exists on a spectrum and, as a result, symptoms can look quite different in different people, Dr. Scott Newsome, head of the Johns Hopkins Stiff Person Syndrome ...
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 ...
Assessment is needed of the affected individual's goals, their function, and any symptoms that may be related to the movement disorder, such as pain. A thorough assessment will include analysis of posture, active movement, muscle strength, movement control and coordination, and endurance, as well as spasticity (response of the muscle to stretch).
Stiff-person syndrome is an autoimmune and neurological condition that affects roughly one or two out of every 1 million people. Symptoms include stiffening in the torso and limbs, along with ...
Stiff-person syndrome (or SPS) is a rare neurological disorder that impacts the central nervous system and presents like an autoimmune disorder, per the National Institute of Neurological Disorder ...
Muscle tone is sometimes used to make the diagnosis for spastic quadriplegia as affected children often appear to be either too stiff or too floppy. [2] Another important diagnostic factor is the persistence of primitive reflexes past the age at which they should have disappeared (6–12 months of age). [2]
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