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The use of Fogs' test to assess associated movements in Parkinsonism, dystonia, and controls

✍ Scribed by Keiran K. Tuck; Tow Chan Yeow; John G.L. Morris; Fran Baker; Victor S.C. Fung

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
85 KB
Volume
26
Category
Article
ISSN
0885-3185

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✦ Synopsis

Abstract

The Fogs' test elicits non‐homologous associated movements which reflect underlying pathology or immaturity of the CNS, but has not been thoroughly studied. We filmed participants performing a modified Fogs' test and developed a reliable scoring system for the associated movements. We assessed scores in healthy controls of all ages and compared scores in dystonia and parkinsonism to age similar controls. Associated movements were marked in children, lessened as they matured into adults, and then increased in old age. Associated movements were marked in dystonia but not in parkinsonism. Our scoring system showed robust inter‐ and intra‐rater reliability. The Fogs' test is a reliable addition to the clinical examination that can be used to screen for both normal and abnormal neurological status. We suggest a potential neural pathway via cervical‐lumbosacral connections within the spinal cord which are modulated by propriospinal and cerebral input. © 2010 Movement Disorder Society

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