Key Takeaways
- Losing weight after age 65 can cause an unwanted loss of muscle alongside body fat.
- Research suggests high-intensity interval training (HIIT) preserves lean mass while reducing body fat.
- Moderate and low-intensity exercise routines also led to modest fat loss, but moderate intensity caused a slight decrease in lean tissue.
- Maintaining muscle tissue is vital for preserving mobility and independence as adults age.
What the Source Says
A study conducted by the University of the Sunshine Coast and published in Maturitas monitored 123 healthy adults averaging 72 years of age. Participants completed three supervised, 45-minute exercise sessions per week over a six-month period using low, moderate, or high intensities. The specific exercise routines performed during these sessions were not specified in the source; please check the official notice.
Lead study author Grace Rose, PhD, told ScienceDaily that high, medium, and low-intensity routines all produced modest fat loss, including slight reductions in abdominal fat. However, only HIIT allowed participants to keep their lean muscle. Associate professor Mia Schaumberg, PhD, explained that because HIIT alternates vigorous movement with rest periods, it puts greater stress on muscles and signals the body to retain tissue.
The study authors noted limitations to these findings. The overall changes were relatively small and not clearly clinically meaningful when compared to lower-intensity options. Furthermore, body scans measured lean tissue rather than direct muscle strength or physical performance in daily tasks.
Practical Notes
The research emphasized that older adults do not need exhausting daily workouts. The trial used supervised sessions, tailored intensity levels, and scheduled recovery periods. For adults over 60 interested in interval training, research suggests building fitness gradually and choosing manageable intervals rather than relying solely on scale weight to judge progress.
Be sure to talk to your doctor before beginning a new or vigorous exercise program.
Source: healthy aging exercise older adults - BingNews · Published November 01, 2026 · Photo by Annie Spratt on Unsplash
This article is for general information only and is not medical advice. Talk to your doctor before making health decisions.
