Jump Shrug

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

Jump Shrug :

With a medium overhand grip. Keeping a flat back, lower the bar down to just above the knees (the hang position) and immediately accelerate upwards, aiming to leave the floor as the shoulders shrug as high as possible maintaining straight arms throughout the technique.

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):

Jump Shrug :

With a medium overhand grip. Keeping a flat back, lower the bar down to just above the knees (the hang position) and immediately accelerate upwards, aiming to leave the floor as the shoulders shrug as high as possible maintaining straight arms throughout the technique.

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....