Power training induced change in bradykinesia and muscle power in Parkinson's disease

Meng Ni, Joseph F. Signorile, Anoop Balachandran, Melanie Potiaumpai

Research output: Contribution to journalArticlepeer-review

41 Scopus citations


Power-based resistance training (PWT), using low load and high velocity, can improve physical function and quality of life in older persons. Patients with Parkinson's disease (PD), exhibiting muscular weakness and reduced movement speed, have been shown to be benefit from resistance training; however, little is known about the advantages of PWT for PD. Purpose: To evaluate the effects of PWT on bradykinesia and muscular performance in older patients with PD. Methods: Twenty-six patients with mild to moderate PD were randomly assigned to a PWT or control group (CON). The PWT program was three months, incorporating two sessions/wk of high-speed resistance training combined balance and agility drills. Outcome measures included: upper and lower limb bradykinesia scores, one repetition maximums (1RM) and peak powers on biceps curl, chest press, leg press, hip abduction and seated calf, and quality of life (PDQ-39). Results: The PWT group produced significant improvement in both upper and lower limbs bradykinesia scores, 1RM and muscle peak power (p < .05), which surpassed the CON group except for power during the seated calf exercise. No significant correlations between changes in clinical measure of bradykinesia and muscle peak power were observed after training. Significant improvements were seen in the PDQ-39 overall score, subsections for mobility, activities of daily living and social support for the PWT group. Conclusion: The 3-month PWT program significantly reduced bradykinesia and increased muscle strength and power in older patients with PD. Power training is an effective training modality to improve physical function and quality of life for PD.

Original languageEnglish (US)
Pages (from-to)37-44
Number of pages8
JournalParkinsonism and Related Disorders
StatePublished - 2016


  • Movement speed
  • Physical function
  • Power
  • Quality of life
  • Strength

ASJC Scopus subject areas

  • Neurology
  • Geriatrics and Gerontology
  • Clinical Neurology


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