Comparison of lumbar paraspinal muscle size and density between members of the US Framingham Heart Study and Tsimane forager-horticulturalists of Bolivia
Benjamin E. Sibson, Brett Allaire, Brigitte M. Holt, Fjóla Jóhannesdóttir, Shreyas Durga, Daniel K. Cummings, Michael Gurven, Hillard S Kaplan, Benjamin C. Trumble, Jonathan Stieglitz, Mary Bouxsein
This study compares lumbar paraspinal muscle size and density between the US Framingham Heart Study and Tsimane forager-horticulturalists, finding differences in muscle characteristics and age-related changes.
bioRxiv · Oct 1, 2026 · PreprintEvolutionary Biology