We're going to need to ensure our shoulders are properly activated, receive sufficient overload.
27+ Best Workout For Rear Delts Review. Well developed rear delts will help to keep your shoulders balanced and help to prevent shoulder injuries and rotator cuff problems. The first exercise is going to be the barbell high row, which when performed correctly, will effectively hit the rear delts with some involvement of the biceps as well.
How To Strengthen Shoulders Without Weights – Deltoid ... from gymperson.com
This exercise looks a bit strange when performed, but it's a powerful bodyweight workout that can really push the delts to their limits. Rear dealt exercises best for those who want to get shaped shoulder and back. Here are are some exercises that will target your rear delts and upper back.
Regarding the posture, you could execute it even while standing for variable resistance.
Rear delts are a muscle group which many people struggle to develop. A lot of rear delt exercises are done with the wrong form. Well developed rear delts will help to keep your shoulders balanced and help to prevent a lot of shoulder injuries and rotator cuff problems. If your rear delts are lagging behind then try doubling your current workout frequency and see bonus: