Lying Tricep Extension

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

Lying Tricep Extension :

Lying on a bench – take an EZ bar and extend it fully to arms length. Keeping the upper arm stationary lower the bar to the forehead. Pause in this position and return to the extended position.

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):

Lying Tricep Extension :

Lying on a bench – take an EZ bar and extend it fully to arms length. Keeping the upper arm stationary lower the bar to the forehead. Pause in this position and return to the extended position.

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

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....