52 



PLATE XXVI. 



MUSCLES 



A Gluteus maximus, origin. 



A' Gluteus maximus, insertion. 



B Gluteus medius. 



C Pyriformis. 



D Superior gemellus. 



E Tendon of obturator internus. 



F Inferior gemellus. 



G Tendon of obturator externus. 



H Quadratus femoris. 



I Upper portion of the adductor magnus, 



sometimes called the adductor quar- 



tus or minimus. 

 J Adductor magnus. 

 K Biceps. 



L Semitendinosus. 



M Vastus externus covered by fascia lata. 



N Bursa between the vastus externus and 



anterior portion of gluteus maximus. 

 Placed on the tendinous origin of the 



vastus externus, the bursa having 



been opened. 



P Great sacro sciatic ligament. 

 R Tip of great trochanter. 

 8 Edge of fascia lata into which the pos- 



teriorfibresof thegluteus are inserted. 

 T Fascia lata covering the gluteus medius. 

 V Placed on the posterior inferior spine 



of ileum. 



VESSELS 



a Superficial branch of the gluteal artery. 



b Sciatic artery. 



c Coccygeal branch of sciatic. 



d Anastomotic branch to digital fossa. 



e Branches to gluteus maximus. 



/ Comes nervi ischiadici. 



g Terminal branch of sciatic. 



h First perforating of the profrinda 



femoris. 

 k Branch of internal circumflex which 



runs up to digital fossa to anastomose 



with sciatic and gluteal. 

 TO Internal pudic. 

 n Nutrient artery to the ileum from the 



gluteal. 



NERVES 



1 Great sciatic. 



2 Lesser sciatic. 



8 Inferior pudendal branch of small 



sciatic. 

 4 Eecurrent gluteal cutaneous branches. 



5 Inferior gluteal. 



6 Nerve to obturator internus. 



7 Its branch to the superior gemellus. 



8 Internal pudic. 



