I make hand carved canes for a pastime. My investigation has proven me that measuring through the wrist bone to the bottom although the person is in the comfortable state with their arms at their facet with a standard bend within their elbow, standing upright certainly is the proper system https://allhealthmarket.com/product/home-care-2/cane/lightweight-canes-2pcs-pack-carbon-fiber-trekking-poles-ultralight-folding-collapsible-trail-running-hiking-walking-sticks/