As part of the British Journal of Sports Medicine’s (BJSM) emphasis on continuing clinical education, we launch the imaging education feature—“I-test” (imaging test). Each I-test will consist of a short history, key physical examination findings and imaging findings that are needed to arrive at a diagnosis. Images will reflect the breadth of clinical practice and include plain radiographs, ultrasound, computed tomography (CT) and magnetic resonance imaging (MRI). We will emphasise clinical utility—common conditions in which selection of the correct …