Review Question - QID 218693

A 15-year-old football player comes to the office complaining of medial foot pain after a defensive player stepped directly onto his heel with his foot planted on the ground. He is able to actively dorsiflex and plantarflex the foot but has point tenderness over the medial arch with resisted inversion and mild swelling over a tendinous insertion associated with the finding shown on his radiographs in Figures A-C. There is no plantar ecchymosis, neither active nor passive plantarflexion of the great toe elicits pain, and he is able to painlessly bear weight through the extremity when not wearing shoes. Which of the following is the best next step in treatment?