Here is Mark’s talk on shoulder dislocation and reduction techniques including description of various techniques in the final slides.
- Normal and dislocated gleno-humeral joint XR appearances from Radiology Masterclass
- Neil Cunningham’s ICEM talk from 2012 (goes for half an hour, excellent overview):
Full list of videos from Neil Cunningham at showing various techniques with and without sedation
Another good video summary of multiple techniques: