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U2: Pelvic Girdle.
Pelvic Girdle.
| Question | Answer |
|---|---|
| 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
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