These should be done when you work on your back, and they are excellent movements in general for strength and thickness in the lower to mid portion of your back. (muscleandfitnesstips.org)
I've met some over the years, but at his age with that technique, physical strength, pace and, above all, his movements, because he changes things up and makes excellent movements off the ball, I've not seen someone like him.» (bbc.co.uk)
In terms of football what matters is the probability which makes him the worst finisher, whereas Walcott with excellent movement and pace will have about five shots on goal per match that him the best player to turn to for goals and hence the best finisher. (justarsenal.com)