To do the Frog Bridge, lie back on the ground and place the bottom of your feet together, letting your knees fall open sort of as if doing the butterfly stretch. The closer you bring your feet in toward your crotch, the more mobility you need to do the move. Find a comfortable placement and allow your knees to relax open.
Lying on your back with your knees wide and the bottoms of your feet together, bend your elbows to 90 degrees so that only your upper arms are against the ground. You want to really drive your elbows down into the ground as you bridge up.
Driving through your upper arms and the outsides of your feet as you engage your core, bridge up while keeping your knees open. Squeeze your glutes as you lift and really contract them at the top.
Then lower back down and repeat.
Keep your core engaged and really drive down through your upper arms so that you don’t push yourself backward as you bridge back up. Do not let your knees come back together. Keep them relaxed and open.
Concentrate on your glutes working to lift. Make sure to pause and engage your glutes at the top.
If you feel your hips too much, don’t bring your heels in as close to your body.