12/11/2025
Hou je core spieren sterk als je ouder wordt!
“Six-pack” abs might look like a sign of fitness, but they reveal surprisingly little about your health. The true secret to healthy aging lies not in visible abdominal muscles, but in the intricate network of muscles that make up your core. Here's why and how you can harness it: https://on.natgeo.com/43q7L8Z