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Questions and Answers
What is the function of the pelvis in relation to the upper body?
What is the function of the pelvis in relation to the upper body?
What is the name of the joint where the pelvis connects posteriorly?
What is the name of the joint where the pelvis connects posteriorly?
What is the term for an angle of more than 15° between the femoral neck and shaft in the transverse plane?
What is the term for an angle of more than 15° between the femoral neck and shaft in the transverse plane?
What is the common attachment point for muscles in the pelvis?
What is the common attachment point for muscles in the pelvis?
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What are the three bones that unite to form each innominate?
What are the three bones that unite to form each innominate?
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Study Notes
Pelvis
- Each innominate (pelvic bone) is formed by the union of three bones: ilium, pubis, and ischium.
- The innominate bones connect at the pubic symphysis (anteriorly) and the sacrum (posteriorly) at the SI joint.
Function of the Pelvis
- The pelvis serves as a common attachment point for various muscles.
- It transmits the weight of the upper body and trunk to the:
- Ischial tuberosities during sitting.
- Lower extremities during standing and walking.
- The pelvis supports organs involved in:
- Bowel functions.
- Bladder functions.
- Reproductive functions.
Femoral Shaft and Neck Angles
- The angle between the femoral neck and shaft in the frontal plane is:
- Normal: around 15°.
- Anteversion: more than 15°.
- Retroversion: less than 15°.
- The angles are described in relation to the anterior and posterior positions.
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Description
Learn about the structure and function of the pelvis, including its bony components and role in supporting the body.
