i 7 THE INNOMINATE BONE. 209 
a rough, shallow groove, from which the reflected head of the rectus femoris muscle 
arises. ‘The middle curved line (linea glutsa anterior) commences at the crest of 
the iium, about one inch and a half behind the anterior superior iliac spine, and 
sweeps backwards and downwards towards the upper and posterior part of the ilio- 
CREST OF THE ILIUM 
Hiacus __ Quadratus 
———— lumborum 
Transversalis Late 
Pabdaisial 3 Latissimus 
nL i dorsi 
_ Erector 
spine 
For 
POSTERIOR 
SACRO-ILIAC 
LIGAMENT 
ILIAC FOSSA, 
ANTERIOR 
SUPERIOR POSTERIOR 
SPINE ——SUPERIOR 
SPINE 
Sartorius « 
ARTICULAR 
SURFACE 
Post. INF. SPINE 
ANTERIOR INFERIOR D 
SPINE 
ILIO-PECTINEAL ; 
EMINENCE Obturator internus 
ILIO-PECTINEAL LINE 
Psoas parvus 
eer a ani 
pt 
RY ISCHIAL SPINE 
SUPERIOR RAMUS 
OF PUBIS 
OBTURATOR GROOVE 
SMALL SCIATIC NOTCH 
SPINE 
OF PUBIS 
Crest 
OF PUBIS 
Rectus 
abdominis 
A THYROID 
FORAMEN. 
Pyramidalis © 
SYMPHYSIS PUBIS 
| 
| 
] 
ISCHIUM 
PUBIS 
ISCHIAL TUBEROSITY 
Levator ani 
Compressor urethrie | | 
INFERIOR RAMUS OF PUBIS 
Ischio- Transversus 
cayernosus perinei 
RAMUS OF ISCHIUM 
Fic. 156.—THe Ricur INNoMINATE BONE (Inner Aspect). 
sciatic notch. The surface between this line and the preceding furnishes an exten- 
Sive origin for the gluteus minimus muscle. The posterior or superior curved line 
(linea glutzea posterior) leaves the iliac crest about two and a half inches in front 
_ of the posterior superior iliac spine, and bends downwards and slightly forwards in 
a direction anterior to the posterior inferior spine. The area between this and the 
middle curved line is for the origin of the gluteus medius muscle, whilst the rough 
14 
