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Left ventricular function at peak all-out anaerobic exercise in older men
Michael Sagiv1, David Ben-Sira, Moran Sagiv
1Sports Medicine and Rehabilitation Division, Zinman College of Physical Education and Sport Sciences, Wingate, Israel.
All-out anaerobic exercise poses risks for older adults, potentially causing left ventricular dysfunction and ECG abnormalities. These findings suggest older individuals should avoid such intense exercise due to safety concerns.
Area of Science:
- Cardiology
- Exercise Physiology
- Gerontology
Background:
- All-out anaerobic exercise can be dangerous for older adults.
- Potential risks include hypoxia and abnormal blood pressure responses.
Purpose of the Study:
- To compare left ventricular function during peak all-out anaerobic exercise.
- Evaluated 12 older men (58 yrs) and 12 young men (22 yrs).
Main Methods:
- Echocardiography was used to assess left ventricular function.
- Subjects performed peak all-out anaerobic exercise on a cycle ergometer.
Main Results:
- Seven older subjects showed ECG abnormalities.
- Older men had significantly lower cardiac output and higher total peripheral resistance.
- Differences observed in left ventricular volumes and pressures between groups.
Conclusions:
- All-out anaerobic exercise may lead to left ventricular dysfunction and ECG abnormalities in older adults.
- Age-related functional changes in the heart and blood vessels contribute to impaired function.
- All-out anaerobic exercise is not recommended for older individuals due to significant risks.
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