Fissure of the nipple, colloquially referred to as "joggers nipple", is a condition that is the result of chafing of one or both nipples. This can occur in both men and women during physical exercise such as long-distance running where there is prolonged friction between the nipple and clothing. The issue is also commonly seen in surfers who do not wear rash guards or wetsuits. See also
Cracked nipple
List of cutaneous conditions

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Combinations of these treatments have been used to control spasmodic torticollis. In addition, selective surgical denervation of nerves triggering muscle contractions may offer relief from spasms and pain, and limit damage to the spine as a result of torqued posture. Spinal fibrosis (i.e., locking of spinal facets due to muscular contortion resulting in fused vertebrae) may occur rapidly. This suggests that the desynchronization of the frequency range is movement related. Obtaining relief via a "sensory trick", also known as a geste antagoniste, is a common characteristic present in focal dystonias, most prevalently in cervical dystonia; however, it has also been seen in patients with blepharospasm. Sensory tricks offer only temporary and often partial relief of spasmodic torticollis. 74% of patients report only partial relief of spasmodic torticollis compared to 26% reporting complete relief. The sensory trick must also be applied by the patient themselves. When the sensory trick is applied by an examiner, only 32% of patients report relief comparable to relief during self-application. Since the root of the problem is neurological, doctors have explored sensorimotor retraining activities to enable the brain to "rewire" itself and eliminate dystonic movements. Oral medications
In the past, dopamine blocking agents have been used in the treatment of spasmodic torticollis. Treatment was based on the theory that there is an imbalance of the neurotransmitter dopamine in the basal ganglia. These drugs have fallen out of fashion due to various serious side effects: sedation, parkinsonism, and tardive dyskinesia.