At a glance
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Instrumental or Physical-exercise Rehabilitation of Balance Improve Both Balance and Gait in Parkinson's Disease.
In Brief
A clinical study evaluating Balance exercise and Mobile platform exercise for Parkinson's Disease and Rehabilitation. Completed, enrolled 38 participants.
Detailed Summary
We hypothesized that rehabilitation specifically addressing balance in Parkinson ́s disease patients might improve not only balance, but locomotion as well. Two balance training protocols (standing on a moving platform, and traditional balance exercises) were compared by assigning patients to two groups: moving platform (n=15) and balance exercises (n=17). Platform moved periodically in antero-posterior, latero-lateral and oblique direction, with and without vision in different trials. Balance exercises were based on Otago Exercise Program. Both platform and exercises sessions were administered from easy to difficult. Outcome measures were: a) balancing behaviour, assessed both by index of stability (IS) on platform and by Mini-BESTest, b) gait, assessed both by baropodometry and by Timed Up and Go (TUG) test. Falls Efficacy Scale-International (FES-I) and Parkinson's Disease Questionnaire (PDQ-8) were administered. Both groups exhibited better balance control, as assessed both by IS and by Mini-BESTest. Gait speed at both baropodometry and TUG also improved in both groups. Scores of FES-I and PDQ-8 showed a marginal improvement. A four-week treatment featuring no gait training, but focussed on challenging balance tasks produces considerable gait enhancement in mildly to moderately affected patients. Walking problems in PD depend on postural instability and are successfully relieved by appropriate balance rehabilitation.
Study Details
Timeline
Interventions
Patients in the balance exercise group received a personalized exercise program developed by an expert physiotherapist. There was no predefined duration for each item of the set of exercises, but all patients underwent an overall 45 min period training per day according to the same schedule. This schedule was based on the Otago Exercise Program and Practice Guidelines for the treatment of Parkinson's disease. Patients did not wear shoes for balance training. All exercises were performed without upper-limb support and with the supervision of a physiotherapist.
Patients entered the mobile platform and put on a security harness (no weight unloading), which they wore during the entire session on the platform training. The arms were free to move, but they were asked not to reach out for support. Each patient underwent 45 minutes of training (resting periods included), in which from 6 to 8 perturbation patterns were administered, each one lasting about 4 minutes. During training, the platform moved in the antero-posterior, latero-lateral and diagonal (45 deg) direction with respect to the body. The periodic platform displacement was 10 cm, regardless of the frequency, which could range from 0.3 to 0.6 Hz. Patients stood with eyes open and closed and feet together or 20 cm apart depending on the perturbation subtype.