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They say there are exercises that ruin your shoulders and exercises that save them. What kind of exercises are you doing? Are you ruining your shoulders by exercising too hard? Let's learn about shoulder exercises with Professor Seung-Hyun Yoon of the Department of Rehabilitation Medicine at Ajou University Hospital. #ShoulderExercise #ShoulderExercisePrecautions #ShoulderStrengtheningExercise In charge: Ha-Neul Noh, Jeong-Ho Lee ✔ If you want to enjoy more fun and informative videos from After the Rain, please click 'Like' and 'Subscribe'! ✔ After the Rain Official Channel Homepage http://aftertherain.kr