There were no statistically significant differences in attrition rates between the interventions .
In general , adverse effects were poorly recorded , but no serious adverse effects were reported .
The evidence ( rated as low quality ) suggested that moderate- and moderate- to high-intensity resistance training improves multidimensional function , pain , tenderness , and muscle strength in women with fibromyalgia .
The evidence ( rated as low quality ) also suggested that eight weeks of aerobic exercise was superior to moderate-intensity resistance training for improving pain in women with fibromyalgia .
There was low- quality evidence that 12 weeks of low-intensity resistance training was superior to flexibility exercise training in women with fibromyalgia for improvements in pain and multidimensional function .
There was low- quality evidence that women with fibromyalgia can safely perform moderate- to high-resistance training
BACKGROUND Fibromyalgia is characterized by chronic widespread pain that leads to reduced physical function .
Exercise training is commonly recommended as a treatment for management of symptoms .
We examined the literature on resistance training for individuals with fibromyalgia .
Resistance training is exercise performed against a progressive resistance with the intention of improving muscle strength , muscle endurance , muscle power , or a combination of these .
OBJECTIVES To evaluate the benefits and harms of resistance exercise training in adults with fibromyalgia .
We compared resistance training versus control and versus other types of exercise training .
Neurophysiologic evidence for a central sensitization in patients with fibromyalgia.
OBJECTIVE To determine whether abnormalities of peripheral and central nociceptive sensory input processing exist outside areas of spontaneous pain in patients with fibromyalgia ( FM ) as compared with controls , by using quantitative sensory testing ( QST ) and a neurophysiologic paradigm independent from subjective reports . METHODS A total of 164 out patients with FM who were attending a self-management program were invited to participate in the study . Data for 85 patients were available and were compared with those for 40 non-FM controls matched for age and sex .  QST was performed using thermal , mechanical , and electrical stimuli at locations of nonspontaneous pain . Pain assessment was 2-fold and included use of subjective scales and the spinal nociceptive flexion reflex ( NFR ) , a specific physiologic correlate for the objective evaluation of central nociceptive pathways . Question naires regarding quality of life and the impact of FM were available . RESULTS Participants were mainly middle-aged women , with a mean disease duration of 8 years . Between-group differences were significant for neurophysiologic , clinical , and quality of life measures . In patients with FM , peripheral QST showed significantly altered cold and heat pain thresholds , and tolerance to cold pain was radically reduced . The median NFR threshold in patients with FM ( 22.7 mA [ range 17.5 - 31.7 ] ) was significantly decreased compared with that in controls ( 33 mA [ range 28.1 - 41 ] ) . A cutoff value of < 27.6 mA for NFR provided sensitivity of 73 % and specificity of 80 % for detecting central allodynia in the setting of FM . CONCLUSION Our results strongly , although indirectly , point to a state of central hyperexcitability of the nociceptive system in patients with FM . The NFR can be used to assess central allodynia in FM . It may also help discriminate patients who may benefit from use of central ly acting analgesics
There were no statistically significant differences in attrition rates between the interventions .
In general , adverse effects were poorly recorded , but no serious adverse effects were reported .
The evidence ( rated as low quality ) suggested that moderate- and moderate- to high-intensity resistance training improves multidimensional function , pain , tenderness , and muscle strength in women with fibromyalgia .
The evidence ( rated as low quality ) also suggested that eight weeks of aerobic exercise was superior to moderate-intensity resistance training for improving pain in women with fibromyalgia .
There was low- quality evidence that 12 weeks of low-intensity resistance training was superior to flexibility exercise training in women with fibromyalgia for improvements in pain and multidimensional function .
There was low- quality evidence that women with fibromyalgia can safely perform moderate- to high-resistance training
BACKGROUND Fibromyalgia is characterized by chronic widespread pain that leads to reduced physical function .
Exercise training is commonly recommended as a treatment for management of symptoms .
We examined the literature on resistance training for individuals with fibromyalgia .
Resistance training is exercise performed against a progressive resistance with the intention of improving muscle strength , muscle endurance , muscle power , or a combination of these .
OBJECTIVES To evaluate the benefits and harms of resistance exercise training in adults with fibromyalgia .
We compared resistance training versus control and versus other types of exercise training .