Please choose the correct ending to complete the given sentence: Health: [header] How to gain an inch on your hips [title] Use the stair master. [step] Cardio exercises, like using the stair master, can help build the muscles around your hips and butt. Incorporating the stair master as a form of cardio can help increase the size of your hips.

Ending1: [substeps] Studies have shown that the stair master recruits about 24% of your glutes and hip muscles. Use the stair master 1-2 times a week for at least 30 minutes per session. Ending2: [substeps] Start with you hips laying on the ground. Kick your legs back and you're ready to lift. Ending3: [substeps] To begin, stand with a few inches between your knees and your hips. Push yourself up, lowering your hip bones upwards and extending your arms toward your buttocks. Ending4: [substeps] Start this exercise by starting your routine near the start of your workout. Your abs should be a straight line from your heels to the bottom of your hips.

Answer format: ending1/ending2/ending3/ending4