Clonus is a rhythmic movement of your ankle and foot during pregnancy. It’s often an early symptom of severe preeclampsia and a medical emergency. Clonus, a rhythmic movement of your foot and ankle, ...

Clonus causes involuntary, rhythmic muscle contractions when a muscle is stretched. It is often observed in conditions like multiple sclerosis, stroke, and cerebral palsy. Clonus can be diagnosed by ...