Pelvis Totally Explained

Everything about Pelvic totally explained

The (pelvis pl. pelvises or pelves) is the bony structure located at the base of the spine (properly known as the caudal end). It is part of the appendicular skeleton. Each os coxae (hipbone) consists of three bones: the ilium, ischium, and the pubis. The ilium is the largest and upper most part, the ischium is the posterior-inferior (back-lower) part, and the pubis is the anterior (front) part of the hipbone. The two hipbones are joined anteriorly at the symphysis pubis and posteriorly to the sacrum. The pelvis incorporates the socket portion of the hip joint for each leg (in bipeds) or hind leg (in quadrupeds). It forms the lower limb (or hind-limb) girdle of the skeleton.

Sex differences

Infrapubic angle is greater than 90˚ in females and less than 90˚ in males
Pelvic inlet in males is more heart-shaped, while in females it's more round or oval
Greater sciatic notch narrower in males
Acetabulum in males faces more laterally, while it faces more anteriorly in females
Sacrum more triangular in females There are four main types of pelvis
Gynaecoid
- Normal female pelvis
- Round with enlarged transverse diameter
Android
- Normal male pelvis
- Heart shaped
Anthropoid
- Long anterior to posterior diameter
Platypelloid
- Long transverse diameter

Further Information

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