Fig. 1

Graphic interpretations: (1) MRI scanning images of the sagittal section; (2) MRI scanning images of the oblique transverse section, where the arrow indicates the Lisfranc ligament; (3) height measurement of the Lisfranc ligament; (4) width measurement of the Lisfranc ligament; (5) MRI images of the oblique coronal section, where the arrow indicates the Lisfranc ligament; (6) length of the measurement of the Lisfranc ligament; (7) measurement of the distance between the origin of the Lisfranc ligament and the base of the medial cuneiform bone; and (8) measurement of the included angle between the Lisfranc ligament and the long axis of the first metatarsal bone