⁣Many of you guys wanted this one so there y'all go.
✅✅✅ Just like a bench press, it'll be extremely important to keep your shoulders safe throughout this movement, since the goal will always be to get stronger.

Extend your thorax by pulling your shoulderblades down and back, and hold the set up like this until you complete the set. The arch comes as a result of thoracic extension, as you pull your shoulders down and back. You don't just arch for the sake of "doing an arch".⁣⁣

This means that you'll have to keep your shoulderblades down and back through each and every rep, for a strong and stable base created by the upper back muscles.
Sit comfortably and take a look at your legs as well, you want to have a strong and stable foot placement to push from, too and keep the whole body tight and in tension. (Highly neglected).

Keep your arms at a ~75 degree angle on the way down and extend at the top without letting dumbbells touch each other.⁣⁣

❌❌❌ Not having the proper shoulder (& shoulder blades) position when working on the pecs will probably set things up for shoulder issues in the long term, and simply won't allow the stability & the strength the upper back muscle shelf create.⁣⁣
Learn how to do these exercises well for safety purposes, but also because you don't wanna waste time in the gym. Time to grow. ⁣⁣