This move, the Resistance Band Pullapart (pronated At 90 Degrees), is a shoulder exercise using a resistance band. A shoulder-focused drill using a resistance band to build strength across the delts. It fits well as an accessory after heavier pressing work.
Log your resistance band pullapart (pronated at 90 degrees) sets in 1RM.fit and watch your estimated 1RM update automatically as you get stronger.