can anyone help me to know this point---after I make (IK) to bone no.03 with bone 05 main target and bone 06 pole target--when I test rigging in pose mode , I test rig bone 05, it causes rotating all bones especially bone no. 01 -and that mean when I rig ,the arm of character will drape Note: I turn off rotation option.
My file blender:
https://drive.google.com/drive/folders/1taRlAaCu5rD1-VnkliIcl-bdPIgJVRfe?usp=sharing