The phrase "healthy hips" refers to having strong and well-functioning hip joints and muscles. It means that your hips are in good condition, allowing you to move easily and without discomfort. Full definition
Some types of baby carriers and other equipment may interfere with healthy hip positioning. (earlsview.com)
Besides being cool and comfortable when used, it ensures your child is safe and secure by providing optimal support for healthy hip and spine development. (babyslingsandcarriers.com)