muscles of pelvis pelvic viscera 1. greter pelvis ( false pelvis, pelvis major), 2. lesser pelvis...
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Muscles of pelvis
Pelvic Viscera
1. GRETER PELVIS ( false pelvis, pelvis major), 2. LESSER PELVIS (true pelvis, pelvis minor)
Obturator internus N: S1 & S2, L5
F: lateral rotation of thigh (extention)Abduction (flexion)
Piriformis N: S1 & S2, L5F: stability of hip joint, lateral rotation of thigh (extention)Abduction (flexion)
Pelvic wall foramens
pelvic diaphragmLevator ani
Coccygeus
Levator aniO: pubic body, obturator fascia, ischial spine
I: prineal bodyAnorectal junctionExt. sphincter of anusAnococcygeal lig
N: S4
Function: sphincterAnorectal angle
Urogenital hiatus
Coccygeus
O: ischial spineI: lateral border of coccyx & S5
N: S4 & S5
Pelvic outlet
The Pelvic InletThe Pelvic InletAP= true conjugate= 10-11cm
Transverse= 12.5-13cm
Oblique = 12-12.5 cm
Perineal membrane
Episiotomy
Rectum
Anal canal
Urinary bladder
Ureter
Urethra
Interior of bladder
Interureteric crest 2.5 cm
Suprapubic sundage