Violent Spasm is a medical term used to describe a sudden, involuntary contraction of a muscle or group of muscles. It is also known as a 'THROE, ' which is a five-letter word that is one of the solutions to the crossword puzzle. Violent spasms can be caused by a variety of conditions, including neurological disorders, muscle fatigue, and even emotional stress. They can be painful and can interfere with normal activities. Treatment for violent spasms usually involves medications, physical therapy, and lifestyle changes.