Yes - and was thinking about that a couple days ago. I really haven't lost much muscle mass or even strength but they feel "different" from the inside: not as "tight" and a little more "stretchy". The result has been a number of things including increased flexibility. One of which has been is that my dancing is "smoother" where movements seem to flow from one to the next rather than the stop-go-stop I had before. (My wife and I ballroom dance quite a bit.)
