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Pelvic Girdle
Pelvic Girdle
36
Nursing
Undergraduate 3
09/23/2013

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Term
SI is an abbreviation for
Definition
sacroiliac joint
Term
Sacroiliac joint is a
Definition
synovial, non axial joint
Term
function of SI joint
Definition
transmit weight from upper body through verebral column to hip bones
Term
the articular surface of SI joint is lined with
Definition
hyaline cartilage
Term
generally accepted motions of SI joint
Definition
nutation and counternutation
Term
nutation is
Definition
sacral flexion; moves anteriorly and inferiorly (front and down)
Term
counternutation is
Definition
sacral extension; moves posteriorly and superiorly (back and up)
Term
Significant landmarks of sacrum are
Definition
sacral base, promontory, superior articular process, ala, formina
Term
the sacral base
Definition
is the superior surface of S1; Dimples of Venus
Term
sacral promontory
Definition
ridge projecting along the anterior edge of body of S1
Term
superior articular process of sacrum
Definition
located posteriorly on the base, it articulates with the inferior articular process of L5
Term
ala of sacrum
Definition
lateral flared wings that are actually fused transverse processes
Term
foramina of sacrum
Definition
located on the anterior (pelvic) and dorsal surfaces are the 4 pairs of foramina. Serve as exit for the anterior and posterior sacral nerves.
Term
what is the difference between the anterior and posterior sides of the foramina of the sacrum?
Definition
the anterior foramina are larger
Term
auricular surface of sacrum
Definition
named because its shape is similar to the external eat (auricular is latin for "earlike"); located on the lateral surface of the sacrum and articulates with the ilium. the irregular surface assists in locking the two surfaces together, providing greater stability
Term
pelvic surface of sacrum
Definition
concave anterior surface; partially hidden
Term
Significant landmarks of pubis are
Definition
body, superior ramus, inferior ramus, tubercle
Term
Body of pubis
Definition
main portion of the pubic bone; has a superior and inferior projection (ramus)
Term
superior ramus of pubis
Definition
superior projection of the pubic body
Term
inferior ramus of pubis
Definition
inteferior projection of the pubic body that provides attachment for the inferior pubic ligament
Term
tubercle of pubis
Definition
projects anteriorly on the superior ramus near the midline and provides attachment for superior pubic ligament
Term
define ramus
Definition
armlike projection/bar of a bone
Term
pubic symphysis
Definition
formed by the right and left pubic bones; midline; little movement; held together by superior pubic ligament and inferior pubic ligament
Term
Significant landmarks of ischium are
Definition
body, lesser sciatic notch, spine, tuberosity
Term
body of ischium/ischial body
Definition
makes up all of the ischium superior to the tuberosity
Term
lesser sciatic notch of ischium
Definition
smaller concavity located on the posterior body between the greater sciatic notch and the ischial tuberosity
Term
spine of ischium/ischial spine
Definition
located on the posterior body between the greater sciatic notch and the lesser sciatic notches. It provides attachment for the sacrospinous ligament
Term
tuberosity of ischium/ischial tuberosity
Definition
the blunt, rough projection on the inferior part of the body. It is a weight bearing surface when you are sitting
Term
Significant landmarks of ilium are
Definition
tuberosity, auricular surface, iliac crest, posterior superior iliac spine, posterior inferior iliac spine, greater sciatic notch, greater sciatic foramen
Term
iliac tuberosity
Definition
large roughened area between the posterior portion of the iliac crest and the auricular surface. Serves as an attachment for the interosseous ligament
Term
auricular surface of ilium
Definition
named for its earlike shape; it is the articular surface of the ilium with the sacrum. it is located inferior and anterior (down and front) to the iliac tuberosity
Term
iliac crest
Definition
superior ridge of the ilium, the bony area felt when you place your hands on your hips
Term
posterior superior iliac spine
Definition
often abbreviated PSIS; is the posterior projection of the iliac crest and serves as an attachment for the posterior sacroiliac ligaments
Term
greater sciatic notch
Definition
formed by the ilium superiorly and the ilium and ischium inferiorly
Term
greater sciatic foramen
Definition
formed from the greater sciatic notch by ligamentous attachments; sacrotuberous ligament forms the posterior medial border of the foramen and the sacrospinous ligament forms the inferior border. the sciatic nerve passes through this opening
Term
posterior inferior iliac spine
Definition
often abbreviatedd PIIS; it lies inferior to the PSIS and serves as an attachment for the sacrotuberous ligament
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