Pelvic Anatomy Flashcards
What are the 3 main parts of the hip bones?
Ilium
Ischium
Pubis
The pelvic girdle is a bony _____ formed from what?
What is the function of the pelvic girdle?
Bony ring formed from 2 hip bones and the sacrum
Weight bearing linkage between legs and axial skeleton, muscle attachment points, protects organs in pelvic cavity
The ilium is composed of what parts?
- ) ala and body
- ) iliac crest
- ) iliac fossa
- ) anterior superior and inferior iliac spines
- ) posterior superior and inferior iliac spines
- )auricular surface: for synovial articulation w/ sacrum
- ) tuberosities: for syndesmosis articulation with sacrum
- ) arcuate line
The ischium is composed of what parts?
- ) body
- ) ramus of ischium
- ) ischial tuberosity
- ) ischial spine
- ) lesser sciatic notch
The pubis is composed of what parts?
- ) superior ramus
- ) inferior ramus
- ) body
- ) pubic crest
- ) pubic tubercle
- ) pectin pubus (pectineal line)
The ilium forms what joint?
Sacroiliac joint
What muscle comes off the anterior superior iliac spine?
What muscle comes off the anterior inferior iliac spine?
Sartorious
Rectus femoris
All three joints come together to form the ________.
Acetabulum
What is the obturator foramen formed by?
Ischium and Pubis
What comes together to form the greater sciatic notch?
Ischium and Ilium
What is the pelvic inlet formed by?
- Sacral promontory
- Arcuate line of Ilium
- Pectineal line of Pubis
- Crest of Pubis
What is the pubic arch formed by?
Ischiopubic ramus of both hip bones
What forms the pelvic outlet?
- R to L boundaries are the Ischial tuberosities
- Anterior to Posterior boundaries are the inferior pubic symphysis and the coccyx
Difference between male an female pelvic and why?
Female is shorter and wider to accommodate for child birth.
What are the three divisions of the pelvis?
- Greater (false) pelvis
- Lesser (true) pelvis
- Perineum