Resistance Training Found to Boost Gut Health

Quick Summary

• Study Objective: Research conducted by Sven Nahnsen at the University of Tübingen explored the impact of resistance training on gut microbiome health among 150 sedentary adults over 8 weeks.
• procedure: Participants trained on “smart” machines that adjusted weights and tracked detailed progress. Stool samples were collected pre-, mid-, and post-program to analyze gut microbial shifts.
• findings:

– No average changes in microbiome composition across the group.
– High performers (greater muscle strength gains) showed increased levels of beneficial microbes, such as Faecalibacterium and Roseburia hominis. These species produce short-chain fatty acids linked to gut health and reduced inflammation.
– Researchers found no critically important influence from diet changes among participants but could not fully exclude this factor.

• Potential Implications: Improved gut microbiota could enhance physical strength through increased production of short-chain fatty acids, though this requires further study.
• Limitations:

– The trial lacked a control group for comparison with non-exercising participants.

(Image Credit: Juliana Yamada/Los Angeles Times via Getty Images)
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