Motor tics work muscles. Sometimes, tics specifically target muscles, such as tensing and flexing. This can be tiring, and risk injury due to overuse.
Motor tics work muscles.
Eye blinking, head nodding, punching… muscles work to carry out these tics. For some, the muscle movement is the tic, involving flexing, tensing or squeezing.
This can overwork muscles leading to soreness, fatigue and sometimes injury.