Arm Rotation Physics being weird

[shut summit]

Howdy yall, im following Merely.wufeii tutorial for body rigging but i have a problem. I used rotations deformers to make the physics for the arm however when every i click to move it left or right it does alomost a 360! The Body Z works normally. I followed this tutorial before and the arm was normal so i dont know what I did wrong. Decreasing the output does nothing as along with the other physic parameter

[covert stone]

check your outputs