<unk> , or<unk>  task specific dystonia, is a neurological condition, a type of dystonia, that affects a muscle or group of muscles in a specific part of the body during specific activities, causing involuntary muscular contractions and abnormal postures. There are many different types of<unk> , each effecting a different region of the body. For example, in<unk>  hand dystonia, or writer's cramp, the fingers either curl into the palm or extend outward without control. In musicians, the condition is called musician's<unk> , or simply, musician's dystonia. In sports, it may be involved in what is commonly referred to as the yips. The condition appears to be associated with over-training, and individualized treatment strategies may involve medications, retraining techniques, and procedures.
Focal dystonia
Myoclonic dystonia
Torsion dystonia
Holmes tremor
Tardive dyskinesia
Dopamine-responsive dystonia
Pseudoathetosis
Periodic paralysis