These actually look great! If you really sit into each side and feel the stretch that will help you improve ROM over time as your bod is ready. A small counterweight (5-10 lb) in your hands with your arms stretched out in front of you can help you improve ROM as well and keep a super tall chest throughout the movement! Lmk if you have more questions 🥰

For you, it probably doesn’t matter (with your back flexibility) as long as your back is okay with it. Goal is to eventually get butt to heels so as you get better range of motion, you’ll need to extend your spine less