Affiliation: | 1. Adolescent and Young Adult Hip Preservation Program, UPMC Children’s Hospital of Pittsburgh; Department of Physical Therapy, Rangos School of Health Sciences, Duquesne University ; 2. Department of Orthopedic Surgery UPMC Children’s Hospital of Pittsburgh ; 3. Department of Physical Therapy, Rangos School of Health Sciences, Duquesne University; UPMC Center for Sports Medicine ; 4. UPMC Centers for Rehab Services |