[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. 
[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.