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Changes in body balance and functional performance following whole-body vibration training in patients with fibromyalgia syndrome: a randomized controlled trial.

OBJECTIVE
To determine whether an 8-week exercise programme supplemented with whole-body vibration improves body balance and dynamic strength in women with fibromyalgia.


DESIGN
Randomized controlled trial.


PATIENTS
Forty-six participants diagnosed with fibromyalgia.


METHODS
Participants were randomly assigned to: (i) an exercise training group with whole-body vibration (n = 15), which performed twice-weekly exercise sessions (aerobic exercise, strengthening and flexibility) combined with 3 whole-body vibration training sessions a week (bilateral squats: 6-9 sets of 30 s with 45-s recovery between sets; and unilateral squat: 4-7 sets of 30 s, 30 Hz-4 mm); (ii) an exercise group (n = 15) with the same combined exercise therapy; and (iii) a usual-care control group (n = 16).


RESULTS
Statistically significant improvements in the Medio-Lateral Stability Index and Medio-Lateral Mean Deflection with open eyes were found in the whole-body vibration exercise group compared with the control group. Non-significant effects were found for lower-limb physical function.


CONCLUSION
The results show that a traditional exercise programme, supplemented with whole-body vibration training, improved balance in women with fibromyalgia. This may represent a key factor for falls prevention in this patient group.