{"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/8\/84\/Build-Muscle-Doing-Push-Ups-Step-4-Version-2.jpg\/v4-460px-Build-Muscle-Doing-Push-Ups-Step-4-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/8\/84\/Build-Muscle-Doing-Push-Ups-Step-4-Version-2.jpg\/v4-760px-Build-Muscle-Doing-Push-Ups-Step-4-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":760,"bigHeight":570}4补充水分,防止脱水。3组10到15个屈膝俯卧撑,组间休息30到60秒。