A daily strength training routine lasting just four minutes can significantly improve strength, balance, and mobility in older adults, according to new research led by Penn State College of Medicine. The findings suggest that maintaining physical independence with age may require much less exercise than many people assume.

Published in the journal PLOS One , the study found that adults aged 65 and older experienced meaningful improvements in physical performance after only 12 weeks. These gains are especially important because muscle strength and mobility influence the risk of falling, the ability to live independently, and overall health and longevity.

For older adults, being able to move comfortably and perform everyday activities is essential for maintaining quality of life.…