Paddle vs Propellor - Science of Swimming (+ New Swimmer)

Hi All, I've been lurking for a while and decided to become a member to become more active, even though I'm not a US Masters Swimmer nor do I even live in North America. The primary reason I decided to join up is that I've not been able to find a European community with as much know-how as this one. More acutely, I've just come across a nice piece of research that I think will serve to act as a good topic for discussion. So, thanks for having me and without further ado: releases.jhu.edu/.../ A team supervised by a Johns Hopkins fluid dynamics expert has found that the deep catch stroke, resembling a paddle, has the edge over sculling, the bent-arm, propeller-inspired motion. Question: what does this mean for the vaunted high-elbow catch?