Stiff person syndrome (SPS) causes you to have muscle stiffness and spasms, often triggered by sudden noises or touch. You can use medications like muscle relaxants and anticonvulsants to relieve ...

Arterial stiffness may be a novel risk factor for metabolic syndrome in teens. Arterial stiffness may be a novel risk factor for metabolic syndrome in teens, a paper published in the American Journal ...

Polymyalgia rheumatica (PMR) is an inflammatory disease that causes pain and stiffness in major muscle groups of your body, often including your neck, shoulders, and hip area. It’s the most common ...

Spastic cerebral palsy is a disorder that involves muscle stiffness. Symptoms and signs may include difficulty walking, trouble manipulating objects, and vision, hearing, or speech challenges.