Stiff person syndrome is a rare autoimmune neurological disorder that most commonly causes muscle stiffness and painful spasms that come and go and can worsen over time. However, …

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 …

Jun 10, 2024 · Stiff person syndrome is a rare, progressive movement disorder that affects your central nervous system. It causes muscle stiffness and painful muscle spasms.

Apr 7, 2025 · Stiff-person syndrome (SPS) is a rare, progressive neurological disorder. Symptoms may include stiff muscles in the trunk (torso), arms, and legs; and greater sensitivity to noise, …

Oct 11, 2024 · What is stiff person syndrome? Formerly referred to as stiff man syndrome, SPS is a progressive condition that impacts the nervous system — the network the brain and spinal …

Dec 21, 2024 · Stiff person syndrome (also known as SPS, Moersch-Woltman syndrome, and stiff man syndrome) is a very rare condition that can cause your muscles to become rigid or …

Nov 17, 2023 · Stiff person syndrome (SPS) is a rare disorder that causes disabling muscle stiffness and spasms. It is an autoimmune neurological disorder that occurs when the body’s …

Dec 8, 2022 · Stiff-person syndrome is an autoimmune disorder of the nervous system, often resulting in progressive, severe muscle stiffness and spasms of the lower extremities and …

Stiff person syndrome is a rare disease affecting only one or two people per million. It commonly causes muscle stiffness and painful spasms that worsen over time. They can be triggered by a …

Jul 11, 2023 · Stiff person syndrome (SPS) is a rare acquired neurological disorder that most often causes progressive muscle stiffness (rigidity) and repeated episodes of painful muscle …