DISSECTING MANUAL. 



Sole of Foot. 



Abductor Hallucis. Origin; greater tubercle on tuberosity 

 of os calcis; internal annular ligament and plantar fascia. In- 

 sertion ; inner side of first phalanx of great toe. [386] 



Flexor Brevis Digitorum. Origin; fore-part of greater 

 tubercle on tuberosity of os calcis; central portion of plantar 

 fascia covering it, and intermuscular septa on either side. 

 Course; forward, giving rise to four tendons which are 

 perforated by the long flexor tendons as in the hand 

 (see pages 170, 171). Insertion; second phalanges of four 

 outermost toes. [386] 



Abductor Minimi Digiti. Origin; both tubercles on tu- 

 berosity of os calcis; plantar fascia and calcaneo-metatarsal 

 ligament. Course; along fifth metatarsal. Insertion; outer 

 side of first phalanx of little toe. [387] 



Flexor Brevis Hallucis. Origin; inner surface of cuboid; 

 tendon of Tibialis posticus. Course ; separating in two parts, 

 between which the Flexor longus hallucis tendon lies. Inser- 

 tion ; both sides of base of first phalanx of great toe, by its two 

 tendons. [388] 



Adductor Obliquus Hallucis. Origin; sheath of Peroneus 

 longus; heads of third and fourth metatarsals. Insertion; 

 outer side of base of first phalanx of great toe. [388] 



Adductor Transversus Hallucis. Origin; capsules of outer 

 four metatarso-phalangeal joints ; transverse metatarsal liga- 

 ment. Insertion; outer side of base of first phalanx of great 

 toe. [388] 



Flexor Brevis Minimi Digiti. Origin; sheath of Peroneus 

 longus; base of fifth metatarsal. Insertion; outer side of base 

 of first phalanx of little toe. [388] 



Dorsal Interossei. Origin; (of all four) shafts of all meta- 

 tarsals, by two heads each. Insertion; (first and second) first 

 phalanx, metatarso-phalangeal capsule and dorsal expansion 

 of extensor tendon on second toe, on its tibial and fibular sides 



[298] 



