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https://youtu.be/GwNqMEClqKk
and this is video of 2023 compared to 22 (with the head more neutral )still shows this buckling (and we can say this is more buckling because the position is more flexion compared to 22 .
I M also put in the end of this link (images from 16 that understand why this is happened in the upper because degeneration disc (causes by my trauma )

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