Article

Force de préhension -
OBJECTIVES: To determine the ability of handgrip strength test to discriminate
between presence and absence of fibromyalgia (FM) and FM severity in women.
DESIGN: A case-control study. SETTING: Granada, south Spain. PARTICIPANTS: Women
with FM (mean age +/- SD, n=81; 50.0+/-7y) and healthy women (mean age +/- SD,
n=44; 47.7+/-6y). Handgrip
strength was measured in both hands (average score was used in the analyses) by a
maximal isometric test using a hand dynamometer. Patients were classed as having
moderate FM if the score in the Fibromyalgia Impact Questionnaire (FIQ) was less
than 70 and as having severe FM if the FIQ was 70 or greater. RESULTS: Handgrip
strength levels were lower in patients with FM than healthy women (19.3 vs
27.9kg; P<.001) and in women with severe FM (FIQ>/=70) compared with those with
moderate FM (FIQ<70) (16.9 vs 20.2kg; P=.02). Receiver operating characteristic
curve analyses revealed that the handgrip strength threshold that best
discriminated between the presence and absence of FM was 23.1kg (area under the
curve [AUC]=.88; 95% confidence interval [CI], 0.82-0.94; P<.001), whereas the
handgrip strength threshold that best discriminate between severe and moderate FM
was 16.9kg (AUC=.67; 95% CI, 0.53-0.80; P<.05). Logistic regression analysis
showed that handgrip strength 23.1kg or less was associated with 33.8 times
higher odds (95% CI, 9.4-121.5) for having FM after adjustment for age. In the FM
group, handgrip strength 16.9kg or less was associated with 5.3 times higher odds
(95% CI, 1.9-14.5) for having severe FM. CONCLUSIONS: Handgrip strength is
reduced in women with FM as well as those with severe FM from their peers with
moderate FM. Identification of women who fail to meet the suggested standards can
be a helpful and informative tool for clinician.
CI - Copyright (c) 2011 American Congress of Rehabilitation Medicine. Published by
Elsevier Inc. All rights reserved.

Langue : ANGLAIS