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RecruitingNot ApplicableNCT06474832

High Intensity Interval Training in Chronic Stroke

Effects of High Intensity Interval Training on Cardiorespiratory Fitness and Gait Quality in People With Chronic Stroke

Sponsor

National Yang Ming Chiao Tung University

Enrollment

32 participants

Start Date

Jul 16, 2024

Study Type

INTERVENTIONAL

Summary

Both gait and cardiovascular dysfunction are primary factors limiting community ambulation for stroke individuals. Increased gait variability and asymmetry contributes to a higher risk of falls, leading to reduced physical activity, decreased cardiorespiratory endurance, and increased walking economy and sympathetic nervous system activity, thereby potentially triggering secondary strokes. Previous studies have primarily focused on the significant improvements in walking endurance and speed with high-intensity interval training (HIIT) on a treadmill, leaving a gap in understanding the effects of HIIT on oxygen uptake efficiency slope (OUES) and gait quality for stroke individuals using a stationary bicycle ergometer with exergaming. Therefore, this study aims to investigate the effects of HIIT using a stationary bicycle ergometer on improving cardiorespiratory fitness and gait quality in individuals with chronic stroke.

Eligibility

Min Age: 18 YearsMax Age: 69 Years

Inclusion Criteria5

  • Aged 18-69 years
  • At least 6 months post-stroke
  • Functional Ambulation Category (FAC) ≥ 3
  • Mini-Mental State Examination (MMSE) ≥ 24
  • Able to walk 10 meters overground with or without assistive devices

Exclusion Criteria5

  • Unstable cardiopulmonary conditions within the last 3 months
  • Other chronic neurological disorders
  • Contraindications to exercise as recommended by the American College of Sports Medicine (ACSM)
  • Severe lower limb spasticity (Modified Ashworth Scale > 2 points)
  • Implanted pacemaker or cardioverter defibrillator

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Interventions

OTHERHigh-intensity interval training

Training on a stationary bike and integrated with exergame (Jbike, JACFIT, USA), the exercise games connect to a map in the app through sensors, allowing players from different countries to ride together and complete the map, thus increasing the diversity of the training, including a warm-up and cool-down at 30% HRR for 5 minutes each. Perform HIIT with 5 intervals at 80% heart rate reserve (HRR), each interval lasting 4 minutes, with 3-minute intervals at 40% HRR between each interval.

OTHERModerate intensity continuous training

Training on a stationary bike and integrated with exergame (Jbike, JACFIT, USA), the exercise games connect to a map in the app through sensors, allowing players from different countries to ride together and complete the map, thus increasing the diversity of the training, including a warm-up and cool-down at 30% HRR for 5 minutes each. Perform continuous exercise at 59% HRR for 35 minutes.

Locations(1)

Department of Physical Therapy and Assistive Technology, National Yang Ming Chiao Tung University

Taipei, Taiwan

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NCT06474832