The phrase "same plateau" means remaining at the same level or not making any progress or improvement.
Sentences with «same plateau»
Those mutational differences often emerged even among closely related species residing on the same plateau, the study reported. (sciencedaily.com)
So if you seem to be doing everything right for weight loss but are stuck on the same plateau, ask yourself about stress. (psychologyofeating.com)
The total calorie burn was probably about the same as when I first started, even though I am now running more miles and more days, so I would be constantly stuck at the same plateau even though I was running more and more and more. (beautyandhealthlife.com)