Sit with your back supported on a plate-loaded incline leverage machine. Grasp the single handle at chest level with one hand and press it forward and slightly upward until your arm is extended. Slowly return the handle back to the start with control, keeping your chest engaged and core stable throughout the movement.
Log your lever one arm incline chest press (plate loaded) sets in 1RM.fit and watch your estimated 1RM update automatically as you get stronger.