And, in case of persistent pain:
Phase 3
Continuation of the stimulation of the supraspinous and infraspinous muscles.
The electrodes are positioned in the same way as for phase 2.
14.8.1.4 Patient position
The patient is seated with the arm against his/her body, the forearm and the hand resting on an armrest,
the upper limb is placed in the reference position with neutral rotation.
In phases 2 and 3, and on the condition that the position remains painless, the arm can gradually be placed
in slight abduction, not exceeding 30°.