Until recently, there were no experimental reports of superconductivity in graphene although its close relatives, graphite and fullerenes can be made superconducting by intentionally introducing electrons in the material (doping).
For the British literary movement, see Spasmodic poets. A spasm is a sudden involuntary contraction of a muscle, a group of muscles, or a hollow organ such as the heart. A spasmodic muscle contraction may be caused by many medical conditions, including dystonia. Most commonly, it is a muscle cramp which is accompanied by a sudden burst of pain.
Involuntary movements. Involuntary movements: Introduction. Involuntary movements: The involuntary movement of the musculoskeletal system. See detailed information below for a list of 34 causes of Involuntary movements, Symptom Checker, including diseases and drug side effect causes. Â» Review Causes of Involuntary movements: Causes | Symptom Checker Â».