How do I transform extra bones between a joint if arm is turned 90 degrees forward and backwards, same with left and right in ctrl rig. I just need a tutorial on one bone please?

Development Character & Animation
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Screenshot 2025-01-30 220120
Screenshot 2025-01-30 2201201920×1032 132 KB

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Any One? I have searched for 2 years, I have tried myself. I cant figure it out. I went through 2 opperations that caused brain damage and still I tried. I still cant figure it out.