title: Muscle strengthening for hemiparesis after stroke: A meta-analysis.
abstract: BACKGROUND
  Muscle weakness is a common consequence of stroke and can result in a decrease in physical activity. Changes in gait performance can be observed, especially a reduction in gait speed, and increased gait asymmetry, and energy cost is also reported.
  
  
  OBJECTIVE
  The aim was to determine whether strengthening of the lower limbs can improve strength, balance and walking abilities in patients with chronic stroke.
  
  
  METHODS
  Five databases (Pubmed, Cinhal, Cochrane, Web of Science, Embase) were searched to identify eligible studies. Randomized controlled trials were included and the risk of bias was evaluated for each study. Pooled standardized mean differences were calculated using a random effects model. The PRISMA statement was followed to increase clarity of reporting.
  
  
  RESULTS
  Ten studies, including 355 patients, reporting on the subject of progressive resistance training, specific task training, functional electrical stimulation and aerobic cycling at high-intensity were analysed. These interventions showed a statistically significant effect on strength and the Timed Up-and-Go test, and a non-significant effect on walking and the Berg Balance Scale.
  
  
  CONCLUSIONS
  Progressive resistance training seemed to be the most effective treatment to improve strength. When it is appropriately targeted, it significantly improves strength.
authors.affiliation: School of Health Sciences, University of Applied Sciences and Arts Western Switzerland Valais (HES-SO Valais-Wallis), Leukerbad, Switzerland. Electronic address: sophie.wist@gmail.com.
authors.forename: Sophie
authors.initials: S
authors.lastname: Wist
authors.affiliation: School of Health Sciences, University of Applied Sciences and Arts Western Switzerland Valais (HES-SO Valais-Wallis), Leukerbad, Switzerland.
authors.forename: Julie
authors.initials: J
authors.lastname: Clivaz
authors.affiliation: School of Health Sciences, University of Applied Sciences and Arts Western Switzerland Valais (HES-SO Valais-Wallis), Leukerbad, Switzerland.
authors.forename: Martin
authors.initials: M
authors.lastname: Sattelmayer
mesh_terms: D006801:Humans; D035002:Lower Extremity; D053580:Muscle Strength; D018482:Muscle, Skeletal / Q000502:physiology*; D010291:Paresis / Q000209:etiology / Q000534:rehabilitation*; D004856:Postural Balance / Q000502:physiology; D055070:Resistance Training; D020521:Stroke / Q000150:complications; D000071939:Stroke Rehabilitation / Q000379:methods*; D016138:Walking / Q000502:physiology
keywords: Balance; Gait; Strength; Stroke; Treatment