{"version":"1.0","provider_name":"KletterRetter - Skincare, Chalk &amp; Tape for climbers","provider_url":"https:\/\/www.kletterretter.com\/en\/","author_name":"David","author_url":"https:\/\/www.kletterretter.com\/en\/author\/davidholmes\/","title":"Hand training and recovery - KletterRetter - Skincare, Chalk &amp; Tape for climbers","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"GdSmQwTyzL\"><a href=\"https:\/\/www.kletterretter.com\/en\/hand-training-and-recovery\/\">Hand training and recovery<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.kletterretter.com\/en\/hand-training-and-recovery\/embed\/#?secret=GdSmQwTyzL\" width=\"600\" height=\"338\" title=\"&#8220;Hand training and recovery&#8221; &#8212; KletterRetter - Skincare, Chalk &amp; Tape for climbers\" data-secret=\"GdSmQwTyzL\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.kletterretter.com\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/www.kletterretter.com\/wp-content\/uploads\/2025\/08\/powerfingers.png","thumbnail_width":1200,"thumbnail_height":630,"description":"Climbing makes your hands strong, but only in one direction. Tendons, pulleys, and skin get worked hard, but antagonists (the opposing muscles) are often neglected. Over time, this leads to imbalances, injuries, and slower recovery."}