A 13-year-old boy presented with a complaint of severe right ankle pain. The soccer player first felt pain after a game three weeks before the clinic visit. He had described the pain as persistent and throbbing and rated it a 6/10 on a 10-point pain scale. He tried home remedies such as applying ice and taking rest, but he did not find relief. Physical examination Mild edema with severe pain on palpation.

Mild pain with range of motion of the ankle joint and no pain with inversion or eversion of the foot. Intact neurovascular status. Absence of gross deformities. Biomechanical examination Subtalar joint axis: Abnormal   Bilateral ankle joint dorsiflexion: 10 ◦ with the knee extended and 15 ◦ with the knee flexed. Resting calcaneal stance position: moderately pronated (6 to 10 ◦ of eversion) and bilaterally perpendicular neutral calcaneal stance Ankle-joint radiography was performed.…