),每边再重复10次。:转脖子{"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/f\/fa\/Mobilize-Your-Spine-Step-19.jpg\/v4-460px-Mobilize-Your-Spine-Step-19.jpg","bigUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/f\/fa\/Mobilize-Your-Spine-Step-19.jpg\/v4-760px-Mobilize-Your-Spine-Step-19.jpg","smallWidth":460,"smallHeight":345,"bigWidth":760,"bigHeight":570}1下巴靠在胸口上,让脖子完全放松。{"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/9\/98\/Mobilize-Your-Spine-Step-24.jpg\/v4-460px-Mobilize-Your-Spine-Step-24.jpg","bigUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/9\/98\/Mobilize-Your-Spine-Step-24.jpg\/v4-760px-Mobilize-Your-Spine-Step-24.jpg","smallWidth":460,"smallHeight":345,"bigWidth":760,"bigHeight":570}3头往后仰。