title: A comparison of a two-wheeled walker and a three-wheeled walker in a geriatric population.
abstract: OBJECTIVE
  There are few data on the effect of walkers on gait and mobility or on comparisons of different walker types. We compared a commonly used 4-legged, 2-wheeled walker and a newer 3-legged, 3-wheeled walker in measures of gait, mobility, and patient satisfaction.
  
  
  METHODS
  Cross-over controlled trial.
  
  
  METHODS
  In the Physical Therapy Department of a Veterans Affairs hospital.
  
  
  METHODS
  Subjects were 15 male and female frail elderly veterans (mean age, 82 years), both inpatients and outpatients, consecutively enrolled from a sample of 35 patients referred to the Physical Therapy Department for mobility problems. Subjects met the following criteria: age 65 or over, ambulatory, no prior use of a wheeled walker, stable medical condition, and informed consent.
  
  
  METHODS
  Subjects were evaluated without either walker and with each of the two walkers on a 15-foot walkway and a 60-foot obstacle course. Subjects were asked which walker they preferred.
  
  
  METHODS
  Outcome measures were stride length on the walkway, time on an obstacle course, and walker preference.
  
  
  RESULTS
  Stride length was 1.4 inches (3.6 cm) greater with the 3-wheeled walker than with the 2-wheeled walker (P = 0.016 by Wilcoxon signed-rank test). Time on the obstacle course was 16.0 seconds less with the 3-wheeled walker than the 2-wheeled walker (P = 0.002). The 3-wheeled walker was subjectively preferred.
  
  
  CONCLUSIONS
  The 3-wheeled walker appears to have a greater positive impact on gait and mobility than the 2-wheeled walker.
authors.affiliation: Geriatrics Section, William S. Middleton Memorial Veterans Hospital, Madison, Wisconsin 53705.
authors.forename: J
authors.initials: J
authors.lastname: Mahoney
authors.forename: R
authors.initials: R
authors.lastname: Euhardy
authors.forename: M
authors.initials: M
authors.lastname: Carnes
mesh_terms: D000203:Activities of Daily Living; D000368:Aged; D000369:Aged, 80 and over; D004867:Equipment Design; D005260:Female; D016330:Frail Elderly; D005684:Gait; D015577:Geriatric Assessment; D006801:Humans; D008297:Male; D017060:Patient Satisfaction; D013997:Time Factors; D014853:Walkers / Q000592:standards*