First-year medical student Michelle Gentile assists her classmate Abbie Harts as she performs a pelvic exam on a volunteer at Northwestern University. Joshua Lott/Reuters /Landov hide caption

itoggle caption Joshua Lott/Reuters /Landov

Kelly Koshuta, a basketball star at James Madison High School, Vienna, Va., had surgery to repair an anterior cruciate ligament injured in 2012. Sarah L. Voisin/The Washington Post hide caption

itoggle caption Sarah L. Voisin/The Washington Post