Deadlift - Stiff Legged (MG)

In 1999 (and on a few other occasions) I published and claimed copyright on this exercise description (bolding added now):

Stiff legged Deadlift

Take a medium grip (about shoulder width) and commence in a standing position. Lower the bar down by bending at the hips, not at the knees. In the start, the knees should be slightly bent and remain exactly at joint angle during the lift.

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):

Stiff Legged Deadlift :

Take a medium grip (about shoulder width) and commence in a standing position. Lower the bar down by bending at the hips, not at the knees. In the start, the knees should be slightly bent and remain exactly at joint angle during the lift.

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 four 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....