Short Daily Workouts May Help Older Adults Build Muscle Strength, Study Suggests

Could just four minutes of daily exercise help older adults improve their strength, balance and mobility? A new study suggests that a brief strength-training routine may significantly improve physical function in older adults within 12 weeks, offering a simple approach to maintaining independence with age.

Published in the journal PLOS One, the study conducted by researchers at Penn State College of Medicine examined whether short daily resistance-training sessions could improve mobility and balance among adults aged 65 years and older.

Age-related declines in muscle strength and balance can increase the risk of falls, mobility limitations and loss of independence. However, many older adults struggle to follow conventional exercise recommendations due to physical limitations, discomfort or lack of time.

To investigate a simpler approach, researchers conducted the FAST-2 trial involving 97 participants with an average age of 74 years. Participants were randomly assigned to either a daily exercise programme or a control group receiving no intervention.

The exercise routine consisted of four movements: push-ups, chair stands, resistance-band rows and stair stepping. Each exercise lasted 30 seconds, followed by 30 seconds of rest, making the entire routine four minutes long.

After 12 weeks, participants following the exercise programme demonstrated significant improvements in physical performance.

The findings revealed an increase of 4.2 chair stands within 30 seconds, an improvement of 3.6 seconds in single-leg balance and a 2.3-second reduction in the time required to complete a sit-to-stand assessment.

Importantly, participants completed their prescribed exercises on approximately 81% of days, suggesting that short routines may encourage consistent participation.

Researchers noted that these improvements reflect physical abilities important for everyday activities, including standing, walking and climbing stairs.

However, the study did not directly assess whether the intervention reduced falls or prevented future disability. The findings suggest that even brief, consistent strength-training sessions could provide meaningful functional benefits for older adults.

REFERENCE: Smita Dandekar, et al.; Brief daily functional strength training to improve functional performance in older adults with mobility disability: A randomized trial. PLOS One, 2026; 21 (3): e0336748 DOI: 10.1371/journal.pone.0336748