Gait and balance outcomes of group-based music therapy, physiotherapy, and simplified dance training in patients with Parkinson's disease.
Kirsti Pedak, Toomas Toomsoo, Indrek Rannama and 2 others
All three group programs — music therapy, physiotherapy, and simplified dance — beat an inactive control on the Timed Up and Go test over eight weeks, but each excelled in a different domain: physiotherapy for quiet-stance balance, music and dance for sit-to-stand speed, dance for turning.
Key findings
1All three active interventions produced significantly shorter Timed Up and Go times than the inactive control, with simplified dance showing the largest adjusted difference (MD = −2.524 s).
2Only physiotherapy improved quiet-stance balance: its centre-of-pressure sway area was 99.4 mm² versus 212.9 mm² in control, and its left-right weight asymmetry was significantly lower than control's.
3Music therapy and simplified dance both shortened five-times sit-to-stand time relative to control (9.88 s and 9.82 s vs 13.24 s), while physiotherapy did not; only dance shortened turning time (1.22 s vs 1.57 s).
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What it does not show
Only 48 people completed the study, with just 10 in the dance and control groups, and no a priori power calculation was done; the authors themselves call the work exploratory and hypothesis-generating. The control group was inactive (no structured exercise), so it is impossible to tell whether the active groups simply benefited from any regular group activity rather than from the specific modality. Outcomes were measured only at the end of the eight-week block; there is no follow-up, so it is unknown whether the gains lasted. Each intervention was delivered by a single experienced professional, so the effect of the modality cannot be separated from the effect of that particular instructor. Home-based physical activity was not monitored in any group, and individual training intensity was not objectively quantified. The equality-of-variances assumption was violated for the weight-asymmetry and turning-time outcomes, which the authors flag as requiring cautious interpretation. Single-centre design with a relatively homogeneous Estonian sample limits generalisability.
Declared interests
Funded by the Tallinn University Research Fund (project TF3720). No industry sponsor, no device or drug manufacturer involvement declared.
The easy way to misread this
Do not read the Timed Up and Go improvements as proof that one of these three programmes is the best exercise for Parkinson's disease. The control group was inactive, the sample was small (48 people, 10 per active group in two arms), there was no follow-up, and the authors themselves label the study exploratory. The differences between the three active groups on most measures were not significant, so the claim is that each helped a different domain, not that any single one outperformed the others.
Summarised by AI from the full paper, without a clinician reviewing it. Check it against the source before it changes what you do. Read it on PubMed →