The Pelvis Flashcards
The pelvis protects…
(Also known as bony pelvis) protects the internal organs and supports the lower extremities.
In addition to the sacrum and coccyx, the pelvis includes the _____ _______, which is…
Pelvic girdle, a cup shaped ring of bone at the lower end of the trunk consisting of the ilium, ischium, and pubis.
What is the ilium ?
The broad, blade shaped bone that forms the back and side of pubic bone.
What is the sacroiliac?
The slightly moveable articulation between the sacrum and posterior portion of the ilium. (Sacr/o means sacrum, ilium means ilium, and -ac means pertaining to).
What is the ischium?
Forms the lower portion of the pubic bone, bears the weight of the body when sitting.
*(circular rings aka bottom butt bones).
What is the pubis?
The pubis forms the anterior portion of the pubic bone and is located just below the urinary bladder.
At birth, the ______, _________, and __________ are three separate bones. As the child matures, these bones fuse together to form the left and right pubic bones, which are held securely together by the _____ ________.
Ilium, ischium, and pubis
Pubic symphysis
What does the term symphysis mean?
A symphysis is a place where two bones are closely joined.
What is the pubic symphysis?
The cartilaginous joint that unites the left and right pubic bones.
What does a cartilaginous joint do?
Allows slight movement between bones.
What is the acetabulum?
Acetabulum (ass-eh-TAB-you-lum), also known as hip socket, is the large circular cavity in each side of the pelvis that articulates with the head of the femur to form the hip joint.