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Reduced Isokinetic Muscle Performance in Women with Fibromyalgia

  [ Not Yet Rated ]   [ 1 Comment ] • November 11, 2013

Isokinetic muscle performance of the hip and ankle muscles in women with fibromyalgia.

By Alparslan Yetisgin, et al.


OBJECTIVE: To compare isokinetic muscle performances of a proximal (hip) and a distal (ankle) muscle of fibromyalgia syndrome (FMS) patients with those of age- and body mass index (BMI)-matched healthy subjects.

METHODS: Thirty female patients with FMS (mean age: 41.5  ±  6.7  years [range, 27-54]) and 30 age- (mean age: 40.6  ±  6.0  years [range, 27-54]) and BMI-matched female healthy controls were consecutively enrolled. Demographic and clinical characteristics of the subjects were recorded. Isokinetic measurements of hip and ankle flexion and extension at angular velocities of 60°/s and 180°/s, peak torques, flexor-extensor torque ratios, muscle fatigue resistance values and average power were obtained.

RESULTS: Mean disease duration of FMS patients was 2.4  ±  1.9  years. Mean weight, height and BMI values were 70.4  ±  12.5  kg, 159.5  ±  6.0  cm and 27.7  ±  4.7  kg/m² (FMS patients) and 69.3  ±  10.1  kg, 161.7  ±  6.2  cm and 26.6  ±  4.3  kg/m² (control subjects), respectively (all P  >  0.05). All isokinetic values were statistically decreased in the FMS group when compared with the control group, except for the peak torques at angular velocity of 180°/s on flexion of the hip and extension of the ankle and the total work and average power on extension of the ankle. We did not find any correlation between isokinetic values and disease related parameters of FMS patients.

CONCLUSIONS: In the light of our results, we may conclude that muscle strength and muscle fatigue seem to decrease in FMS patients' both proximal and distal lower extremity muscles.

© 2013 Asia Pacific League of Associations for Rheumatology and Wiley Publishing Asia Pty Ltd.

Source: International Journal of Rheumatic Diseases, October 16, 2013. By Alparslan Yetisgin, Tülay Tiftik, Murat Kara, Ilkay Karabay, Selami Akkus, Murat Ersöz. Ankara Physical Medicine and Rehabilitation Training and Research Hospital, Ankara, Turkey.

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Article Comments Post a Comment

I think they mean
Posted by: IanH
Nov 12, 2013
that muscle strength decreased and muscle fatigue increased.
Reply Reply
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