DISSECTION OP THE POSTERIOR LIMB. 



87 



metatarsal. It is perforated by the thecal canal for the passage of the 

 peroneus tendon. The deep division of the ligament extends down- 

 Avards and backwards from its point of attachment to the forepart of 

 the external tuberosity of the tibia, and it becomes inserted by distinct 

 slips into the astragalus and os calcis. In order to expose it thoroughly, 

 the superficial division should be cut at its point of attachment to the 

 tibial tuberosity, and dissected downwards, the difference of direction 

 serving to distinguish the fibres of the two divisions. 



The Tntet'nal Lateral Ligament is, like the preceding, a composite liga- 

 ment, and consists of three divisions, which may be distinguished as 



A. — LlOAMENTS OF THE TaRSUS, FRONT VIEW. 



1. Superficial fasciciilns of the internal lateral ligament (cut) ; 2. Middle fasciculus of the same 

 (two slips) ; 3. Deep fasciculus of the same ; 4. Superficial fasciciilus of the external lateral liga- 

 ment ; 5. Deep fasciculus of tlie same ; 6. Astragalo-metatarsal ligament ; 7. Canal for tlie perforat- 

 ing metatarsal artery ; 8. Anterior cuboido-cunean ligament ; 9. Anterior cuboido-scaphoid liga- 

 ment ; 10. Cuboid insertion of the fle.xor metatarsi. 



B.— Ligaments of the Tarsus, back view. 

 1. External lateral ligament ; 2. Internal lateral ligament ; 3. Tarso-metatarsal ligament ; 

 4. Fibro-cartilaginous thickening of the posterior ligament. 5. Calcaneo-metatarsalCligament ; 

 6. Subtarsal ligament, or check-band to perforans tendon ; 7. Suspensory ligament. Hbr"'" 



superficial, middle, and deep. The superficial division, the largest of 

 the three, is fixed, on the one hand, to the internal tuberosity at the 

 lower end of the tibia, and, on the other, to the astragalus, scaphoid, 



