Bow to the queen exercises.?
Answers: Lovena starts her routine beside a superset of single-leg leg presses and a move she calls "bow to the queen." For the leg press, she places her working foot directly contained by line near her knee and hip and puts her nonworking foot on the floor. She brings the platform as low as she can near good form, consequently presses it up explosively. She moves directly into a set of bow to the queen. "You should almost look like you're bowling when you're at the bottom of the motion," explains Lovena. "Getting within this position puts the glutes on stretch, so when you stand back up, they're forced to work much harder."
Look at the video surrounded by Media - 22minutes and Jennifer shows you how to do them.