Ilium
Ischium
Pubis
Sacrum
Coccyx
location of the ilium
largest and uppermost portion
location of the ischium
lowest portion
location of the pubis
anterior portion
Acetabulum is formed by what
all 3 bones of the innominate
Articulation site for Acetabulum
Between femur and coxa
-coxofemoral joint
what forms the obturator foramen
ischium & pubis
Largest foremen in body
Obturator forament
Acetabulum
Obturator Foramen
Landmarks on the Ilium
-Anterior inferior iliac spine (AIIS)
-Anterior superior iliac spine (ASIS)
-Posterior inferior iliac spine (PIIS)
-Posterior superior iliac spine (PSIS)
-Iliac crest
-Iliac fossa
-Greater Sciatic notch
Anterior inferior iliac spine (AIIS)
Anterior superior iliac spine (ASIS)
Posterior inferior iliac spine (PIIS)
Posterior superior iliac spine (PSIS)
Iliac crest
Iliac fossa
Greater Sciatic notch
Landmarks on the Ischium
-Ischial tuberosity
-Ischial spine
-Ramus of the ischium
Ischial tuberosity
Ischial Spine
Ramus of the ischium
Landmarks on the Pubis
-Superior ramus of pubis
-Inferior ramus of pubis
-Pubic tubercle
-Body of pubis
Superior ramus of pubis
Inferior ramus of pubis
Pubic tubercle
Body of pubis
Sciatic Nerve properties
-Emerges from lumbosacral plexus (L4-S3)
-Travels through greater sciatic foramen
What nerves does the sciatic nerve form
Tibial nerve
common peroneal nerve
Pelvic Girdle Functions
-Provides support to the body's weight (trunk/core)
-Provides articulation sites LE limbs
-Provides attachment sites for LE musculature
-Provides protection for lower quadrant organs: (bladder, reproductive organs, distal large intestines
*LE = lower extremity
Posterior superior iliac spine (PSIS)
Gender Differences in the pelvic girdle
-Female has a larger pelvic arch
-Female has larger, more round pelvic brim
-Female has smaller more oval/triangular obturator foramen
Pelvic Brim
Pelvic Arch
Pelvic inlet
