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