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|Title: ||Misfingering by Instrumentalists used as a Paradigm for Focal Dystonia in PC Workers|
|Authors: ||VAN ZWIETEN, Koos Jaap|
BEX, Geert Jan
Varzin, S. A.
Zinkovsky, A. V.
Piskùn, O. E.
|Issue Date: ||2009|
|Citation: ||Proceedings of Knowledge For Growth, FlandersBio's annual life sciences convention|
|Abstract: ||Focal dystonia (FD) - a neuromuscular disorder - severely interferes with occupational activities – moreover, it may be an early Multiple Sclerosis symptom (Yücesan et al., 2000)
- Focal dystonia of hand and fingers, described as an imbalanced tension of their different muscles, leads to painful, impaired and often aberrant motions (Van Zwieten et al., 2008)
- Normal coordinated finger flexion becomes clear by a kinematic model (Sholukha et al., 1998)
- Such a model can also be used to analyze uncoordinated finger movement patterns,
e.g. those visible after long standing peripheral neuropathies (Van Zwieten et al., 2008)
- An example of such a peripheral neuropathy is the “intrinsic minus” hand, caused by chronic neurodegeneration of n. ulnaris, which innervates most of intrinsic hand muscles
- Fingers of “intrinsic minus” hands are characterized by o.a. hyperextension of their metacarpophalangeal joints, simultaneous with flexion of the both interphalangeal joints
- Muscle tension imbalances in focal dystonia too, will produce “intrinsic minus” patterns
- As focal dystonia in instrumentalists’ hands also presents itself with “intrinsic minus” patterns (Van Zwieten et al., 2009), similar patterns may be seen in PC-workers|
|Type: ||Proceedings Paper|
|Appears in Collections: ||Research publications|
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