Spasticity occurs when the muscles involuntarily contract or become stiff. It is most often caused by a neurological disorder and can significantly affect a person’s mobility and ability to perform ...

Spasticity is a condition that causes your muscles to stiffen, tighten, and contract. It happens involuntarily, which means you don’t have control over it. Spasticity typically happens because of ...

Symptoms of spasticity — including chronic muscle stiffness, pain, and jerkiness of voluntary movements — can interfere with your daily activities. Left untreated, these symptoms may significantly ...