Pelvic Floor And Bones Flashcards
Name the pelvic bones
oTwo pelvic/hip/coxal/innominate bones
oOne sacrum
oOne coccyx
Name the pelvic joints
Sacroiliac joints
Symphysis pubis
Sacrococcygeal joint
The ilium
forms the superior flattened part of the pelvic bone
The ischium
is much smaller and forms the inferior part of the pelvic bone.
Ischial tuberosities
can be felt through buttocks when sitting
Ischial spines
can be felt vaginally and are used to define descent of the fetus
The pubis
is the smallest part and forms the anterior part of the pelvic bone
Blood vessels and nerves pass through the obturator foramen
Y
Anteroposterior diameter
B-11cm
C-12cm
O-13cm
Right and left oblique
B-12cm
C-12cm
O-12cm
Transverse
B-13cm
C-12cm
O-11cm
Superficial muscle layers
Trasverse
Bulbocavernosus
Ischiocavernosus