Abstract
Tremor is a rhythmic mechanical oscillation of at least one functional body region (Deuschl et al. 2007). Tremor is usually considered to be pathologic, but one should keep in mind that any voluntary movement is accompanied by physiological tremor, which is believed to be necessary to facilitate fast voluntary motion. The borderline between pathological and physiological tremors is less strictly delineated than most clinicians wished to. This is particularly true for isometric tremor, a subtype of action tremor. Isometric tremor can occur in isolation, but is most frequently associated with other types of (action) tremor. Isometric tremor is a common symptom in a variety of clinical tremor syndromes and may vary regarding its frequency and amplitude depending on the underlying condition.
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Nowak, D.A., Gdynia, HJ., Raethjen, J. (2013). Isometric Tremor. In: Grimaldi, G., Manto, M. (eds) Mechanisms and Emerging Therapies in Tremor Disorders. Contemporary Clinical Neuroscience. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-4027-7_9
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DOI: https://doi.org/10.1007/978-1-4614-4027-7_9
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