Interval eccentric cycling : a promising training modality for sedentary people.
Benoît Vandenbroeck, Jean-François Kaux, Florence Schleich et al.
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In 30 seconds
This randomized controlled trial evaluated the effects of eccentric high-intensity interval training (EI), eccentric continuous (EC), and concentric high-intensity training (CI) on sedentary adults aged 61 years. After 12 weeks, EI and EC demonstrated lower heart rates and perceived exertion compared to CI, with significant improvements in muscle torque and functional abilities, although only CI improved aerobic capacity.
Key findings
- Eccentric HIIT (EI) and continuous (EC) cycling had lower mean heart rates (63% and 65%) compared to concentric HIIT (CI) (85%).
- Maximal isometric torque improved by 14% in EI, 17% in EC, and 24% in CI.
- The six-minute walking distance increased by 6% in EI and EC, and 4% in CI.
- Only CI showed significant aerobic improvements with a 4% increase in maximal aerobic power.
Why it matters
Understanding the benefits of eccentric training modalities can help clinicians design effective rehabilitation programs for older adults, particularly those who may struggle with traditional high-intensity exercises. This approach may enhance muscular function and exercise capacity while minimizing discomfort.