Review Question - QID 219972

A 14-year-old soccer player is brought by her father to the emergency room after sustaining a twisting injury to her dominant kicking limb. She is referred to the office with the radiographs and MRI shown in Figures A and B, and a clinical exam demonstrating a 2+ effusion, a 2B Lachman, and a range of motion of 5-90 degrees limited by pain. She started menses two months ago, is in Tanner Stage IV of pubertal development, and plans to continue playing soccer in high school next year. Which of the following is the most appropriate treatment recommendation to offer her at this time?