Rotational Y fly with hip thrust into single leg

This exercise focuses on increasing the range of motion in the chest and shoulders and stability through the core into a single leg.
Start on an inclined bench holding weights in each hand over your chest, legs up on the seat. Inhale and press your hips up, rotating your arms behind your head and toward the ground as far as your range of motion allows. Use a light enough weight to maintain complete control. At the top of the movement press into a single leg until you gain stability through the leg and core.
Exhale and pull your hips down to the bench, rotating your arms and weight back up over your lower chest. Feel the connection through your hips, core, and chest in the beginning position.
Alternate your legs on each rep.