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U2: Pelvic Girdle.

Pelvic Girdle.

Pelvic Girdle consists of 2 hip/coxal bones; attaches lower limbs to the trunk
Hip bone/coxal bone each bone unites w/ its partner anteriorly and with the sacrum posteriorly. 3 major portions-ilium, pubis, ischium
Ilium flaring, largest, superior portion of hip bone. Articulates w/ sacrum to form sacroiliac joint.
Iliac crest superior ridge of ilium
Greater sciatic notch deep indentation on posterior edge of ilium through which the sciatic nerve courses to the posterior thigh
Pubis anterior, inferior portion of hip bone. Articulates with other hip bone to form a cartilaginous joint called the pubic symphasis
Pubic symphasis cartilaginous joint between the hip bones
Ischium posterior, inferior portion of hip bone
Ischial tuberosity big bump that bears your weight when you’re sitting and serves as an attachment site (the origin) for the hamstring muscles
Ischial spine sharp point that angles into the pelvic outlet and can hinder delivery
Acetabulum deep socket in hip bone where the ilium, pubis, and ischium meet, and with which the head of the femur articulates to form the essence of the hip joint
Obturator foramen very large opening in hip bone
Created by: mbtrimm