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Effects of High-Intensity Interval Walking on Cognitive and Physical Functions in Older Adults: A Randomized Pilot
Xinxing Li1,2, Ji-Won Seo1, Jun-Hyun Bae3,2
1Physical Education, Seoul National University, Seoul, KOR.
Cureus
|September 30, 2024
Summary
High-intensity interval walking (HIIW) improved cardiorespiratory endurance and flexibility in older adults more than moderate-intensity continuous walking (MICW). This suggests HIIW may be beneficial for enhancing physical function in seniors.
Area of Science:
- Gerontology
- Exercise Physiology
- Public Health
Background:
- Walking is a popular global exercise, yet research on its intensity effects in older adults is limited.
- Understanding how different walking intensities impact older adults' health is crucial for targeted interventions.
Purpose of the Study:
- To compare the effects of high-intensity interval walking (HIIW) versus moderate-intensity continuous walking (MICW) on older adults.
- To investigate the impact of HIIW and MICW on body composition, emotions, cognition, and physical function over eight weeks.
Main Methods:
- Older adults (65+) were randomized into HIIW (alternating 85%/55% HRmax) or MICW (70% HRmax) groups.
- Participants engaged in 30-minute group walks, three times weekly for eight weeks.
- Evaluations included body composition, cognitive function, emotional state, and physical performance tests.
Main Results:
- Both groups showed significant improvements in the two-minute step test and sit and reach test over time.
- HIIW demonstrated significantly greater improvements in the two-minute step test and sit and reach test compared to MICW post-intervention.
- No significant differences were observed between groups in body composition, emotional well-being, or cognitive function.
Conclusions:
- High-intensity interval walking (HIIW) positively impacts cardiorespiratory endurance and flexibility in older adults.
- HIIW shows potential for developing tailored exercise programs to enhance physical function in the elderly population.
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