A 27-year-old male presents to clinic with complaints of left knee pain. The patient is an avid runner and has been training for an upcoming marathon. He localizes his pain to the posterolateral aspect of his left knee. Physical exam without erythema, edema, or tenderness to palpation around the knee. Range of motion testing reveals restriction in dorsiflexion of the left ankle when compared to the right. Special tests performed do not reveal laxity in anterior or posterior drawer tests. No evidence of meniscal injury is present. Which of the following somatic dysfunctions is consistent with the exam findings above?