Dr. Williford, too, worries about injuries, pointing out that several studies in which seniors were put on higher-intensity exercise programs showed strength gains — but also a significant rate of injury. “The risk probably outweighs the benefits for a lot of those high-intensity programs,” says Dr. Williford, a specialist in senior fitness.
But a notable exception to that view was reflected in a study presented at the American College of Sports Medicine’s annual meeting in May in San Francisco. In the study, conducted at the University of Alabama in Birmingham, 70 adults, ages 60-75, were randomly prescribed different weight-training protocols, of varying intensity levels, lasting 30 weeks.
The ones who got the most benefits followed a program that involved 45-minute, high-intensity weight training sessions twice a week, along with one moderate-intensity weekly session of the same duration.
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