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베이스가좋아요·Deadlift·10mo agoI'm a middle school student and I have a question. When going up or down, is it not allowed to straighten your back?
I'm a middle school student and I have a question. When going up or down, is it not allowed to straighten your back?
감사합니다!!☺️
허리 꺾이면 안돼요 복압 쌔게 잡으면서 척추중립 유지하면 됩니다