The Study
Resistance and Impact Training During Weight Loss Improves Physical Function and Body Composition in Older Adults With Obesity
This study is like a fair race between two types of exercise to see which one helps older people walk better while losing weight. It found that one kind (HiRIT) helped people walk a little faster than the other. But it didn't prove that one keeps more muscle or bones stronger—just that both types of exercise helped people lose weight.
Analysis score
Maximum 90 for a randomized controlled trial.
Where the score came from
Older adults trying to lose weight by eating less were given either heavy lifting exercises or walking/jogging. Both lost similar amounts of fat and muscle, but those who lifted weights walked faster and got stronger.
Where does this study sit?
Systematic Reviews & Meta-analyses
Max 100Randomized Trials
Max 90Cohort Studies
Max 72Case-Control
Max 58Cross-Sectional
Max 44Case Reports & Series
Max 30Expert Opinion
Max 579 / 100
Quality score
Participants are randomly assigned to treatment or control groups, minimizing bias. Considered the gold standard for testing whether an intervention causes an effect.
Key takeaways
Summary
Based on the study abstract and findings.
- 1Walking 0.07 m/s faster is a small but real improvement linked to lower fall risk and better independence in older adults.
- 2People who did heavy lifting walked 0.07 meters per second faster, gained 2.2 kg in hand strength, and improved their mobility score by 0.9 points.
- 3Both groups lost about 5 kg total weight and 3.5 kg fat.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
Journal of Cachexia, Sarcopenia and Muscle
Year
2025
Authors
J. Mesinovic, Anoohya Gandham, M. M. Cervo, P. Jansons, C. Glavas, Michael Braude, J. P. Rodriguez, B. de Courten, Ayse Zengin, Belinda R Beck, Peter R. Ebeling, David Scott
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.