MUSCLES OF TEE TRUNK. 



213 



spread out in front, and collected behind, where they become slightly fibrous 



and unite with the tendon of the great psoas. y norous, 



Attachments —It has its fixed insertion on the whole of the iliac surface 



on the external angle of the ilium, the sacro-iliac Ugament, and the ilio- 



MUSCLES OF THE SDBLDMBAB, PATELLAE, AND INTEEKAL CRTTEAL EEGIONS 

 1, Psoas magnus ; 1', Its terminal tendon ; 2, Psoas parvus ; 3, Iliac psoas ; 4, Its 

 small internal portion j 5, Muscle of the fascia lata ; 6, Anterior straight muscle 

 of the thigh ; 7, Vastus internus ; 8, Long adductor of the leg ; 9, Short adductor 

 of the leg; 11, Pectineus; 12, Great adductor of the thigh; 12', Small adductor 

 of the thigh ; 13, Semimembranosis ; 14, Semitendinosis. — A, Portion of the 

 fascia iliaca ; B, Portion of the membrane reflected from the aponeurosis of the 

 abdominal great oblique muscle, forming the crural arch (Poupart's ligament) ; 

 c. Pubic tendon of the abdominal muscles ; D, Origin of the pubio-femoral 

 ligament, 



pectineal crest. Its movable insertion is into the small internal trochanter, 

 in common with the great psoas. 



Belations. — Above, with the ilium ; below, with the iliac fascia and the 

 long adductor of the leg ; outwardly, with the muscle of the fascia lata and 

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