Bill Saville helps Jackson during an aqua therapy session led by ​Rebecca Gayle, ​physical therapist at Children’s Hospital of The King’s Daughters, at William Farm Recreation Center in Virginia Beach, Va., on Monday, May 16, 2017. Stacy Saville enrolled Jackson into the therapy to help continue to strengthen his body following the Spinraza injections. Since starting the injections his mom says his legs and arms more, he is sitting up so much straighter and his grip is so much tighter