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Muscle performance in fibromyalgia syndrome
P Borman1, R Celiker, Z Hasçelik
1Hacettepe University Department of Physical Medicine & Rehabilitation, Ankara, Turkey. pinarb@ato.org.tr
Rheumatology International
|January 29, 2000
Summary
Fibromyalgia patients show reduced quadriceps muscle strength and aerobic performance compared to healthy individuals. However, muscle endurance and its relation to pain severity were not significantly different.
Area of Science:
- Neurology
- Rheumatology
- Sports Medicine
Background:
- Fibromyalgia syndrome (FMS) is characterized by widespread pain and fatigue.
- Muscle performance deficits are suspected in FMS patients but require further investigation.
Purpose of the Study:
- To assess muscle performance, isokinetic strength, endurance, and aerobic capacity in FMS patients.
- To correlate muscle function with clinical FMS symptoms and physical activity levels.
- To compare FMS patients with healthy controls.
Main Methods:
- Isokinetic quadriceps strength and submaximal aerobic performance (PWC-170) were measured using a Cybex dynamometer.
- Data on pain, tender points, and symptom duration were collected.
- Twenty-four FMS patients and 15 healthy controls participated.
Main Results:
- FMS patients exhibited significantly lower maximal voluntary quadriceps muscle strength than controls.
- Submaximal aerobic performance scores were higher in the control group.
- Muscle endurance ratios and the relationship between muscle performance and clinical findings were not statistically significant.
Conclusions:
- Fibromyalgia syndrome is associated with reduced quadriceps muscle strength and impaired submaximal aerobic performance.
- These findings indicate compromised muscle function in FMS patients.
- No significant correlation was found between muscle performance deficits and clinical FMS indicators like pain severity.