Prone DB fly

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

Prone DB fly :

Lay face down on a bench with a DB in each hand. Keeping the elbow slightly bent extend the arms out at right angles to the body. Don’t allow the elbow angle to change during the movement. Pause at the top, then lower down 1/3 of the way. Pause again, lift back up to the top, pause again, and lower all the way down. This is one rep. Minimise the movement of the head or the involvement of the upper traps.

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):

Prone DB fly :

Lay face down on a bench with a DB in each hand. Keeping the elbow slightly bent extend the arms out at right angles to the body. Don’t allow the elbow angle to change during the movement. Pause at the top, then lower down 1/3 of the way. Pause again, lift back up to the top, pause again, and lower all the way down. This is one rep. Minimise the movement of the head or the involvement of the upper traps.

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 one 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....