Keeping my shoulders open is still a challenge. In 2004 I tore my left pec, and that has altered my left side. Working at a desk since 2003 has rolled both shoulders forward. Looking down at a screen hasn’t helped, either.
It’s a common condition—head forward, shoulders rounded forward.
One of the teachers who I used to follow closely,Steve Cotter, recently put out a YouTube video about the “tech neck” and how to correct it. Take a look, I’ve found it very helpful: