Telling someone with rounded shoulders to “just stand up straight” is like telling a homeless person to “just buy a house.” Technically, yes. Practically, useless. Here is a 1 minute video explaining this - try not to laugh. Rounded shoulders usually happen because of a mix of habits, muscular imbalance, mobility limits, and poor scapular control. The solution is not one magic stretch. It is a system. How to fix rounded shoulders: What rounded shoulders usually involve Round
