340 



Muscles of the Le"-. 



Ligamentuni sacro 



tuberosum / 



M. pirifortnis 



Mm. gemelli 



liiirsa ischiadica 

 111. glutaei maxiiui 



M. obturatn 

 internus 



>[ quadratus feniovis 

 M. gracilis 



M adductor magnus 



M. glutaeiis uiedius 



M. glulaeus 



raaxinius (superior 



"portion, going to the 



tractus iliotibialisj 



Bursa 



troohanterica 



ni. glutaei 



inaxlmi 



M. glutacus 



_maxinius (inferior 



portion, going to 



tiie femur) 



Insertion to the femur 

 Traetus iliotibialis [Maissiati] 



.M, :idduelor minimus 



M. seniimembrauosus 



M. semitendiuosus 



M. biceps femoris (caput longumj 



385. Muscles of the right buttock (2"Mayer), 



viewed from behind. 

 (The m. ^'hitaeus maximtis has been cut through and reflected laterahvard.) 



M. seniimembrauosus (continued). Insertion: the tendon reaches downward on the 

 Literal surface of tlie muscle as far as its lower half; from its medial surface fibers go luediau- 

 ward and downward to a tendinous strip, which begins in the upper half, runs downward on 

 the medial surface and goes, behind the epicondylus medialis femoris between the tendons of 

 the mm. gracihs and semitendiuosus (see Fig. 3 S8), to the condylus medialis tibiae; it is there 

 partly attached to the bone, in part it bends around into the lig. poplitetira obliquum and in 

 part it goes over into that portion of the fascia cruris wltich covers the posterior surface of the 

 m. popliteus (see Fig. 258) (bursa m. scminievibranosi see Figs. 387, 393, 394 and 390 and 

 \). 348). Action: it extends thi^ tliigh backward and flexes the leg. Innervation: n. tiliialis. 



M. glutaeus medius (see ako Figs. 329, 376, 377, 381, 382 and 384). Form: flat, 

 triangidar, thick. Position: on the lateral surface of the hij): in its upper and lateral parts 

 superflcial, covered only by the fascia htta , wliicli is liere very thick: in front it is over- 

 lapped by the m. tensor fasciae latae, behind by the m. glutaeus maxinnis, being bounded 

 medianward by the m. glutaeus minimus. Origin: lateral surface of the ala oss. ilium, 

 between the linea glutaea anterior and posterior; fascia lata. Insertion: the fibers converge 

 downward and become attached by a short tendon to the lateral surface of the trochanter 

 major, near its apex fbiirsa troc/ianiericae m. (/Iniaei mcdii see Fig. 3Sr) and p. 343). Action : 

 it abducts the thigh. Innervation: n. glutaeus superior. 



