Quote Originally Posted by PrairieDawg View Post
not sure about bending the elbows at 90 degrees though. I keep mine at more of a 45.
Yeah, I had many variations when I used to do this workout, but I felt at 90 degrees I had consistent ranges of motion - it's hard to judge at 45 degrees. But in the mirror or by your own eyes - it's easy to see your arms bent in the shape of a square. -Also, I felt much more of a stretch.