Ever find yourself in a class with dancers of various levels and during the warm up the instructor, who happens to take warm up quiet seriously, walks up to you, brings your shoulders down, fixes your posture, comments on your alignment while turning your foot into a certain position and you are completely lost trying to take it all in.  Yes, it can be overwhelming when you are doing AND absorbing comments on how to improve.  Somewhere in the middle of the class you may feel, "how am I ever gonna remember everything she said, I can't recall half of it".  Here's what I think helps, don't skip the next class, return.  Come back, from experience, I will say the next time you go through the warm ups, your body will recall and you will begin to remember what was being corrected.  It may take perhaps more than one reminder, but if you skip, you will be reinventing the wheel.  People have different ways of registering, some are auditory learners, some must have a visual while others have to do, but I feel with dance it boils down to doing, listen to the counting, learn it, get the instructor to show you, do whatever you can, but in the end you must try it yourself.  Muscle memory, no joke.