Shoulder press – Behind the neck, seated, med grip

In 2000 (and on a few other occasions) I published and claimed copyright on this exercise description (bolding added now):

Shoulder press - MG/Bar/seated :

Grip the bar at shoulder width. Take the bar off a squat rack on to the front of the shoulders as you would for front squats. Sit down on a bench and move feet out to 45 degrees. Press the bar overhead to full extension. Lower under control to the collarbone. Ensure full range.

I was conducting research and I came upon the following exercise in a publication copyright claimed by another 'author' at a subsequent date (bolding added):

Shoulder press - MG/Bar/seated :

Grip the bar at shoulder width. Take the bar off a squat rack on to the front of the shoulders as you would for front squats. Sit down on a bench and move feet out to 45 degrees. Press the bar overhead to full extension. Lower under control to the collarbone. Ensure full range.

And I said to myself: “That looks familiar!” So I cross-referenced it and I said to myself: “Wow! No wonder that looked familiar!”

And I came upon this description another two more times by the same 'author' in different publications.

I noted that the use of this description was in the absence of credits or references to the origin or permission to use from the original author (myself), and that the 'author' claimed copyright....