It's a turn on, but in my case I question whether it's intrinsically so, or a result of decades of Pavlovian conditioning. I've come to associate some of the sides with muscular woman, which is my primary turn on, so by association those sides have become turn ons as well. But when I meet a muscular woman who's still maintained her traditional feminine characteristics, I find myself drawn to them. It's contrary and confusing. When I was young and FBB was just starting out, I thought Kay Baxter was extreme. But looking at her now, she's on the small side of the scale for what I like.
While I think most guys here were predisposed from birth to be attracted to muscular women, our experiences can add to and alter that wiring along the way. It might relate to my observation that we almost always have a second fetish, whether it's wrestling, domination, or L&C. Do you like strong women because wrestling was your primary turn on, and strong women are featured as wrestlers? Or do you like wrestling because you were looking for strong women, and strong women are often depicted as wrestlers? Classic "chicken and the egg" there, and I don't have an answer.