spasm

Although she was only referred for diagnosis when she was 18, she's been experiencing tics - involuntary spasms - since she was 12.

He and other scholars note similarities between the deployment of troops to American cities, widespread disillusionment with the Supreme Court, and spasms of political violence — especially from disaffected young men.

The disease begins with seizures, cognitive decline and involuntary muscle spasms, and progresses to dementia, coma and eventually death.

The Red Roses were also forced to replace starting prop Hannah Botterman, who had to leave the field due to back spasms in the first half.

Heat cramps are painful muscle cramps and spasms that usually occur in the legs and abdomen followed by heavy sweating.