In lieu of an abstract, here is a brief excerpt of the content:

45 The Astragalus Bolster the tibia, that vertical post, support all of it, pushing against gravity. The footfalls down the grade are heavy strides, so receive the blows, the echoes throughout, through the triangular facet, concave for articulation with the external part, the connection. But there are no non-articular surfaces, but still the echoes find voice in ligament and fiber. ...

Share