Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain
the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in
Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles
and JavaScript.
Illustrations and comparisons of tension indices calculated on confocal microscopy and LC-OCT images of young and elderly volunteers for the skin of the cheek, forearm and thigh at rest and during folding test35,39. Black arrows represent the direction of folding.
