Are the Effects of Community-Based Dance on Parkinson Disease Severity, Balance, and Functional Mobility Reduced with Time? A 2-Year Prospective Pilot Study. Duncan, R. P. and Earhart, G. M.
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OBJECTIVE: To determine the effects of participation in a 2-year community-based dance class on disease severity and functional mobility in people with Parkinson disease (PD).$\backslash$n$\backslash$nDESIGN: Randomized controlled trial.$\backslash$n$\backslash$nSETTINGS/LOCATION: Dance classes took place in a community-based location. Outcome measures were collected in a university laboratory.$\backslash$n$\backslash$nPATIENTS: Ten individuals with PD were randomly assigned to the Argentine tango (AT) group (n=5 [4 men]; mean age±standard deviation, 69.6±6.6 years) or the control group (n=5 [4 men]; mean age±standard deviation, 66±11.0 years).$\backslash$n$\backslash$nINTERVENTIONS: The AT group participated in a community-based AT class for 1 hour twice weekly for 2 years. Control group participants were given no prescribed exercise. Blinded assessments occurred at baseline and 12 and 24 months.$\backslash$n$\backslash$nOUTCOME MEASURES: Movement Disorder Society-Unified Parkinson Disease Rating Scale (MDS-UPDRS) III, Mini-Balance Evaluation Systems Test (Mini-BESTest), gait velocity (forward and backward), Timed Up and Go and dual-task Timed Up and Go, Six-Minute Walk Test (6MWT), MDS-UPDRS II, MDS-UPDRS I, and Freezing of Gait Questionnaire.$\backslash$n$\backslash$nRESULTS: There were no differences between groups at baseline. A significant group-by-time interaction (F [2,8]=17.59; p<0.0001) was noted for the MDS-UPDRS III, with the AT group having lower scores at 12 and 24 months than the controls. Significant interactions were also noted for the Mini-BESTest, MDS-UPDRS II and I, and 6MWT.$\backslash$n$\backslash$nCONCLUSION: This is believed to be one of the longest-duration studies to examine the effects of exercise on PD. Participation in community-based dance classes over 2 years was associated with improvements in motor and nonmotor symptom severity, performance on activities of daily living, and balance in a small group of people with PD. This is noteworthy given the progressive nature of PD and the fact that the control group declined on some outcome measures over 2 years.
@ARTICLE{Duncan2014,
  ABSTRACT = {OBJECTIVE: To determine the effects of participation in a 2-year community-based dance class on disease severity and functional mobility in people with Parkinson disease (PD).$\backslash$n$\backslash$nDESIGN: Randomized controlled trial.$\backslash$n$\backslash$nSETTINGS/LOCATION: Dance classes took place in a community-based location. Outcome measures were collected in a university laboratory.$\backslash$n$\backslash$nPATIENTS: Ten individuals with PD were randomly assigned to the Argentine tango (AT) group (n=5 [4 men]; mean age±standard deviation, 69.6±6.6 years) or the control group (n=5 [4 men]; mean age±standard deviation, 66±11.0 years).$\backslash$n$\backslash$nINTERVENTIONS: The AT group participated in a community-based AT class for 1 hour twice weekly for 2 years. Control group participants were given no prescribed exercise. Blinded assessments occurred at baseline and 12 and 24 months.$\backslash$n$\backslash$nOUTCOME MEASURES: Movement Disorder Society-Unified Parkinson Disease Rating Scale (MDS-UPDRS) III, Mini-Balance Evaluation Systems Test (Mini-BESTest), gait velocity (forward and backward), Timed Up and Go and dual-task Timed Up and Go, Six-Minute Walk Test (6MWT), MDS-UPDRS II, MDS-UPDRS I, and Freezing of Gait Questionnaire.$\backslash$n$\backslash$nRESULTS: There were no differences between groups at baseline. A significant group-by-time interaction (F [2,8]=17.59; p{<}0.0001) was noted for the MDS-UPDRS III, with the AT group having lower scores at 12 and 24 months than the controls. Significant interactions were also noted for the Mini-BESTest, MDS-UPDRS II and I, and 6MWT.$\backslash$n$\backslash$nCONCLUSION: This is believed to be one of the longest-duration studies to examine the effects of exercise on PD. Participation in community-based dance classes over 2 years was associated with improvements in motor and nonmotor symptom severity, performance on activities of daily living, and balance in a small group of people with PD. This is noteworthy given the progressive nature of PD and the fact that the control group declined on some outcome measures over 2 years.},
  AUTHOR = {Duncan, Ryan P. and Earhart, Gammon M.},
  DATE = {2014},
  DOI = {10.1089/acm.2012.0774},
  ISSN = {1075-5535},
  JOURNALTITLE = {The Journal of Alternative and Complementary Medicine},
  TITLE = {{Are the Effects of Community-Based Dance on Parkinson Disease Severity, Balance, and Functional Mobility Reduced with Time? A 2-Year Prospective Pilot Study}},
}
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