Fig. 8

Transverse mid-sagittal plantar image of the sagittal ridge of the third metatarsal bone. The distal sesamoidean ligaments are superficial to the third metatarsal bone. The sagittal ridge is identified with a thin hypoechoic cartilaginous rim (arrow) and deeper hyperechoic subchondral bone, and distal acoustic shadowing. Marker is to medial