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When your back gets better, you should exercise. Let's find out what you should be careful about when doing the exercise you couldn't do because of your back pain to prevent back pain and radiating pain from recurring. Table of Contents 0:00 Intro 2:09 Case Description 12:32 Case Analysis 16:25 Changes in Perception According to the Number of Times You Read Baeknyeonheori 19:09 Summary