The direction of the elbows and the angle of the body will determine if it is effective for the upper back. Usually flaring elbows out and also angling the body slightly will hit the upper back!
What a great video, love Barcelona and you look so happy, next video you meet up with 2 of your brothers can't wait for that one. Well done on 3k you deserve it
Great video, Reece, That Turquoise water is really beautiful ! Switzerland is an amazing country. I am happy you are enjoying your life. I really enjoy your videos. Jeff❤