Beyond Contractures in Spinal Muscular Atrophy: Identifying Lower-Limb Joint Hypermobility. - Harding, Elizabeth R.; Kanner, Cara H.; Pasternak, Amy; Glanzman, Allan M.; Dunaway Young, Sally; Rao, Ashwini K.; McDermott, Michael P.; Zolkipli-Cunningham, Zarazuela; Day, John W.; Finkel, Richard S.; Darras, Basil T.; De Vivo, Darryl C.; et al. (Journal of Clinical Medicine, 2024)