Interactive Stepping Exercise on Executive Function and Gait Variability

Overview

The present study is to examine the effects of interactive stepping exercise on executive function and gait variability in community-dwelling older adults

Full Title of Study: “Effects of Interactive Stepping Exercise on Executive Function and Gait Variability in Community-dwelling Older Adults”

Study Type

  • Study Type: Interventional
  • Study Design
    • Allocation: Randomized
    • Intervention Model: Parallel Assignment
    • Primary Purpose: Prevention
    • Masking: Single (Outcomes Assessor)
  • Study Primary Completion Date: July 31, 2019

Detailed Description

This is a single blinded, randomized controlled trial. 40 community-dwelling older adults will be recruited and randomly assigned to either experimental group (n=20) or control group (n=20). The 12-week intervention comprises of 1-hour exercise per day and 3 days per week. The experimental group will receive interactive stepping exercise while the control group will be put under home exercise program. Primary outcome measures are executive function and gait variability. Secondary outcome measures include community walking test and other gait parameters (gait velocity, stride length and stride time). The participants will receive assessment at pre- and post-intervention

Interventions

  • Other: Interactive Stepping Exercise
    • Interactive Stepping Exercise will perform on a thin mat, stepping pattern will display through a monitor screen, immediate auditory feedback will give for adjustment
  • Other: Home exercise program
    • Home exercise program includes stretching exercise, general strengthening exercise on lower extremity muscles, posture control and balance exercise.

Arms, Groups and Cohorts

  • Experimental: Interactive Stepping Exercise
    • Interactive Stepping Exercise (1 hour, 3 times/week, 12 weeks) The 1-hour training program will start with10 minutes warm-up session, after that 40 minutes of ISE, and ended with 10 minutes of cool down session. Interactive Stepping Exercise (ISE) will perform on a thin mat that was partitioned into 24 squares. The ISE program included forward, backward, lateral and oblique steps, and step patterns were progressively made more complicated.
  • Active Comparator: Home exercise program
    • 60 minutes, 3 times/week, 12 weeks of home exercise

Clinical Trial Outcome Measures

Primary Measures

  • Trail Making Test
    • Time Frame: Change from Baseline at 12 weeks
    • Executive Function
  • Stroop Test
    • Time Frame: Change from Baseline at 12 weeks
    • Executive Function
  • Digit Span Test
    • Time Frame: Change from Baseline at 12 weeks
    • Executive Function
  • Executive Interview 25 questions
    • Time Frame: Change from Baseline at 12 weeks
    • Executive Function
  • Gait Variability
    • Time Frame: Change from Baseline at 12 weeks
    • Stride length and Stride time variability

Secondary Measures

  • Gait velocity
    • Time Frame: Change from Baseline at 12 weeks
    • Gait speed
  • Stride length
    • Time Frame: Change from Baseline at 12 weeks
    • The distance covered by the combined step length of each limb during gait
  • Stride time
    • Time Frame: Change from Baseline at 12 weeks
    • The time elapsed between the first contact of two consecutive footsteps of the same foot
  • Functional Ambulation in community
    • Time Frame: Change from Baseline at 12 weeks
    • Walk for 400 m distance in community

Participating in This Clinical Trial

Inclusion Criteria

  • community-dwelling older adults – age ≥ 65 years old – able to walk independently outdoor without an assistive device – Mini-mental state examination ≥ 24 – use an exercise pre-participation health screening form by the American College of Sports Medicine to recruit those participants that are suitable to join the training session Exclusion Criteria:

  • diagnosed of any psychiatric and neurologic disorders such as schizophrenia, stroke, Parkinson, Alzheimer disease, etc. – any comorbidity or disability that would preclude training

Gender Eligibility: All

Minimum Age: 65 Years

Maximum Age: 100 Years

Are Healthy Volunteers Accepted: No

Investigator Details

  • Lead Sponsor
    • National Yang Ming University
  • Provider of Information About this Clinical Study
    • Principal Investigator: Yea-Ru Yang, Professor – National Yang Ming University
  • Overall Official(s)
    • Yea-Ru Yang, PhD, Principal Investigator, National Yang Ming University
  • Overall Contact(s)
    • Yea-Ru Yang, PhD, +886-2-28267279, yryang@ym.edu.tw

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