Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to get a great bikini butt [title] Try bridge exercises. [step] For increased intensity, you can also add dumbbells. [substeps] Stand with your feet shoulder-width apart and your hands on your hips.

Ending1: Slightly lean forward, keeping your head low. Bring your right leg out to the side and tap the inside of your shoe on the floor, which will take you over to the bridge. Ending2: Immediately lay the dumbbells down on a bench that's slightly wider than your hips. With both feet on the bench, raise your arms overhead until they are by your sides. Ending3: Keeping your feet approximately shoulder-width apart, lower your body until your arms and back are parallel and stop. Hold the position for several seconds, then start again, pausing for a full breath. Ending4: Putting your hands on your hips will force you to use your core muscles for balance. If you're using dumbbells, keep your arms straight down by your side.

Answer format: ending1/ending2/ending3/ending4