Just 4 minutes a day can dramatically improve strength after 65
A new Penn State study suggests that just four minutes of daily strength training can significantly improve mobility and physical function in older adults. After 12 weeks, participants showed meaningful gains in balance, leg strength, and their ability to stand up from a chair, all important factors for maintaining independence and reducing fall risk.
Key points
- A four-minute daily strength routine improved strength, balance and mobility in adults aged 65 and older after 12 weeks, according to a Penn State College of Medicine study in PLOS One.
- The trial enrolled 97 participants with an average age of 74, randomly split between the exercise program and no intervention.
- Participants completed the routine on 81% of days during the study.
A four-minute daily strength training routine significantly improved strength, balance and mobility in adults aged 65 and older, according to research led by Penn State College of Medicine. The study was published in PLOS One and reported meaningful gains in physical performance after 12 weeks.
The trial included 97 participants with an average age of 74, randomly divided into an exercise group and a group that received no intervention. Participants reported exercising only about 18 minutes per week before the study began.
How the routine worked
The FAST-2 program used four simple movements, each performed for 30 seconds followed by 30 seconds of rest, for a total of four minutes. Participants received four elastic resistance bands and an adjustable-height stepper, plus written instructions and easier variations for different abilities.
Researchers measured how quickly and effectively participants could rise from a chair and how long they could balance on one leg, testing at the start, midpoint and end of the 12-week study. The program produced significant gains even though it involved only 60 seconds of lower body resistance training per session.
The human body is designed to improve very quickly.
— Christopher Sciamanna
What researchers said
Lead author Christopher Sciamanna, professor of medicine and public health at Penn State College of Medicine, said the results challenge the belief that meaningful improvements require long workouts. He said the body improves quickly and that a few regularly performed repetitions can lead to large gains.
Co-author Smita Dandekar, associate professor of pediatrics, said planning an effective workout is complicated because of decisions about repetitions, sets, rest and weekly frequency. She said making exercise short helps address the problem of people not wanting to do it.
