thoracic unlock procedure:

T3 Rotated and side-bent to the left, subluxated in forward-bending

lower proximal and distal to engage thoracic forward-bending stretch to the spine

Operator on Right

side-shift left

reverse the posterior rotation - de-rotate T3 and T3 to the right, with a superior arc

side-shift to the right

left arm abducted, extended

"reverse the side-shift" - translate t4 t3 to the left

return to primary subluxation - translate T4 T3 inferiorly

against T2 spinous process on right, push the segment to the left