If you are referring to DJD of the spine, I personally would want to know what portion of the spine is affected.
Once I knew that I would be in a position to determine what is indicated and what is contraindicated.
I am sure you know that DJD is osteoarthritis of the spine. What is important for you to consider, though, is what might be caused as a consequence of DJD. Often DJD results in the narrowing of the verterbral and lateral foramen.
As you know, nerves run through an exit the spine through these foramen. If there is a narrowing, an individual might experience numbness, tingling, or pain. If you are unsure of what you should or should not do, I would proceed with extreme caution because you wouldn’t want to put yourself in a position where an exercise you chose for your client might cause her discomfort.
Hope this gives you a bit of direction.