The hypothesis of overwork weakness in Charcot-Marie-Tooth: a critical evaluation

The hypothesis of overwork weakness in Charcot-Marie-Tooth: a critical evaluation

It has been reported that the non-dominant hand of patients with Charcot-Marie-Tooth disease is stronger than the dominant hand as a result of overwork weakness. The objective of this study was to determine if this hypothesis could be verified in our population. Survey. Twenty-eight patients with Ch...

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Bibliographic Details
Published in:Journal of rehabilitation medicine Vol. 41; no. 1; pp. 32 - 34
Main Authors: van Pomeren, Madlenka, Selles, Ruud W, van Ginneken, Berbke T J, Schreuders, Ton A R, Janssen, Wim G M, Stam, Henk J
Format: Journal Article
Language:English
Published: Sweden 01-01-2009
Subjects:
Activities of Daily Living
Adolescent
Adult
Aged
Aged, 80 and over
Charcot-Marie-Tooth Disease - physiopathology
Charcot-Marie-Tooth Disease - rehabilitation
Grip strength
Hand Strength - physiology
Hospitals
Humans
Middle Aged
Muscle Weakness - physiopathology
Muscles
Peripheral neuropathy
Pinch Strength - physiology
Rehabilitation
Young Adult
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Summary:It has been reported that the non-dominant hand of patients with Charcot-Marie-Tooth disease is stronger than the dominant hand as a result of overwork weakness. The objective of this study was to determine if this hypothesis could be verified in our population. Survey. Twenty-eight patients with Charcot-Marie-Tooth disease type I or II from a rehabilitation department of a university hospital in the Netherlands. The strength of 3 intrinsic muscle groups of the dominant and non-dominant hand were determined using the Medical Research Council scale and the Rotterdam Intrinsic Hand Myometer. Furthermore, grip strength, pinch and key grip strength were measured. We found no differences in muscle strength for the dominant and non-dominant hand, except for a stronger key grip strength of the dominant hand in patients with Charcot-Marie-Tooth disease type II. In our population, the dominant hand of patients with Charcot-Marie-Tooth disease type I and II was equally strong as the non-dominant hand, suggesting that there is no presence of overwork weakness in the dominant hand in our group of patients. This implies that patients with Charcot-Marie-Tooth disease do not have to limit the use of their hands in daily life in order to prevent muscle strength loss.
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ISSN:1650-1977
1651-2081
DOI:10.2340/16501977-0274