In this episode Christina L. Master, MD, FAAP, CAQSM, FACSM, FAMSSM, lead author of the new policy statement and clinical report on vision and concussion, shares screening techniques primary-care pediatricians can use in daily practice. Hosts David Hill, MD, FAAP, and Joanna Parga-Belinkie, MD, FAAP, also talk with Alexander Jones, PhD, about the amount of high-intensity exercise needed to maintain cardiorespiratory fitness. For resources go to aap.org/podcast.