The "Arched" Scapula Pulls or "Hollow Back" pulls are great to strengthen your back.
This a rather advanced movement which goal is to control your mid-back extension through the shoulder blade shrug pull.
So do not attempt if you are a beginner or lack proper back strength and mobility.
You have to guide the whole movement through your glutes, core, mid-back and shoulder blades.
Make sure to externally rotate your shoulders, by trying to "bend the bar" as you pull.
Performing this move requires good back-core strength, and overhead mobility foundations!
This exercise is also great improve front and back lever control.
Here is another exercise you can do to get a better front lever and overall back strength!
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