. Text-book of operative surgery . is now detached along the outer surface of the astragalus, exposingit as far as the fibula. The three bands of the external lateral ligament are dividedclose to their attachment to the tip and inner aspect of the external malleolus. The capsule, together with the periosteum, is separated from the anterior borderof the tibia as far as the internal malleolus, the extensor tendons being hookedupwards, a similar method being adopted at the posterior surface of the fibula so asto leave the tendon sheath of the peronei in relation to the periosteum. The foot is for
. Text-book of operative surgery . is now detached along the outer surface of the astragalus, exposingit as far as the fibula. The three bands of the external lateral ligament are dividedclose to their attachment to the tip and inner aspect of the external malleolus. The capsule, together with the periosteum, is separated from the anterior borderof the tibia as far as the internal malleolus, the extensor tendons being hookedupwards, a similar method being adopted at the posterior surface of the fibula so asto leave the tendon sheath of the peronei in relation to the periosteum. The foot is forcibly dislocated inwards over the internal malleolus, so that theupper surface of the astragalus looks downwards and the sole of the foot upAvards, as 288 OPERATIVE SURGERY . 150.—Excisioii of ankle by ciirvediiicision. The skin and fascia are re-tracted, tlie external malleolus beingexposed subperiosteally : the capsule isdetaclied from the astragalns (the oiiteraspeet of wliich is exposed), and theperonei tendons are Ext. brevis digitorum in. Fig. 151.—Excision of the aukle. Thecapsule is detached from the tibia andfibnla and from the astragalns, and thefoot dislocated inwards. The head ofthe astragalns and the articular snrfaceof the tibia are well exposed.
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