clonus
/ˈkloʊnəs/
noun
- A medical condition in which muscles contract and relax rapidly and uncontrollably, often caused by damage to the brain or spinal cord.
- Clonus can make it difficult for a person to walk or stand steadily.
- The doctor tested the patient's ankle for clonus after the spinal injury.
- Physical therapy may help reduce the severity of clonus in some patients.