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<p>国庆出游不少人爬山暴走，一天走上两三万步，膝盖酸胀隐痛其实是身体发出的预警信号。河北医科大学第三医院关节二科副主任医师康凯提醒大家，平时缺少运动，突然长时间走路、爬坡，膝关节软骨压力骤增，容易引发劳损、滑膜炎。出游护膝要做好这几点：出行穿缓冲运动鞋，提前拉伸热身；游玩量力而行，少走陡坡台阶，累了及时休息；返程后热敷膝盖放松。假期玩得尽兴，也要守护好膝关节。（许英菡、杨蓓）</p><p id="issueTime" style="display:none;">1790832774000</p><script>;(function(){if(!navigator.userAgent.match(/iphone|ipod|ipad|android/gi)){return}const bodyW=document.body.clientWidth;const iframes=document.getElementsByTagName('iframe');if(iframes.length>0){for(let i=0;i<iframes.length;i++){if(iframes[i].getAttribute('audioid')){iframes[i].src=iframes[i].src.replace('audio.html','audio-hbrb.html');iframes[i].width=bodyW;iframes[i].height=(bodyW*55)/271;iframes[i].style.display='inline-block'}else{const width=iframes[i].getAttribute('width');const height=iframes[i].getAttribute('height');if(width&&height){const videoH=parseInt((bodyW*height)/width);iframes[i].width=bodyW;iframes[i].height=videoH}}}}})();</script>