Word Origin and History for obtund Expand. v. c.1400, (transitive) to render dead, make dull, used occasionally in English, especially in medical jargon; from Latin obtundere to blunt, make dull, weaken, exhaust, literally to beat against (see obtuse). Related: Obtundation; obtunded.
The flexor retinaculum of foot ( laciniate ligament , internal annular ligament ) is a strong fibrous band , extending from the bony ankle prominence ( malleolus ) above , to the margin of the heelbone ( calcaneus ) below , converting a series of bony grooves in this situation into canals for the passage of the tendons of the flexor muscles and the ...
Movements and Muscles Involved. The ankle joint is a hinge type joint, with movement only possible in one plane. Thus, plantarflexion and dorsiflexion are the only movements that occur at the ankle joint. Eversion and inversion are produced at the other joints of the foot, such as the subtalar joint.rticulating Surfaces. The ankle joint is formed by three bones; the tibia and fibula of the leg, and the talus of the foot: 1  The tibia and fibula are bound together by strong tibiofibular ligaments, producing a bracket shaped socket, which is covered in hyaline cartilage. 2  This socket is known as a mortise.