Moderators Chris Iobst and Phil McClure from Nationwide Children's and the International Center for Limb Lengthening, respectively, lead the POSNA 2020 Annual Meeting's Subspecialty Session on Lower Extremity Deformity. They are joined by authors Harold Van Bosse of the Philadelphia Shriner's Hospital and John Birch from TSRH. Your host is Julia Sanders from Children’s Hospital Colorado. Music by A. A. Aalto.