Before revision: It is performed by an examiner first flexing the hips and knees of a supine infant to 90 degrees , then with the examiner's index fingers placing anterior pressure on the greater trochanters, gently and smoothly abducting the infant's legs using the examiner's thumbs.
After revision: The Ortolani test is performed by an examiner first flexing the hips and knees of a supine infant to 90 ° , then with the examiner's index fingers placing anterior pressure on the greater trochanters, gently and smoothly abducting the infant's legs using the examiner's thumbs.