Figure 3
The spur-free protruding spine which separates the middle and inferior facet of the calcaneal tuberosity is shown in a sagittal section. (A) The insertion of the Achilles tendon (AT) is shown on a Giemsa-stained slice. Note the blue coloured fibrocartilage of the AT enthesis ending at the level of the spine. (B) The slice following the one in A was silver-stained. The black arrows show the paratenon of the AT continuing beyond the spine. a, anterior; Cal, calcaneus; i, inferior; p, posterior; s, superior.
