In each blank, try to type in the
word that is missing. If you've
typed in the correct word, the
blank will turn green.
If your not sure what answer should be entered, press the space bar and the next missing letter will be displayed. When you are all done, you should look back over all your answers and review the ones in red. These ones in red are the ones which you needed help on. Question: List the main contents of the Greater foramenAnswer: -Sciatic Nerve
-Piriformis muscle belly (fills majority of foramen)
-NV bundle above and below piriformis
Superior Nerve
Inferior Gluteal Nerve
-Posterior Femoral Cutaneous nerve
medial to sciatic
-Pudendal NV bundle
medial to PFCN Question: List the main of the Lesser sciatic foramenAnswer: 1. Obturator internus
2. Superior gemellus
3. Inferior . Nerves that innervate three muscles
5. Pudendal NV bundle-portion that supplies perineum region
Question: What are the bones of the pelvic girdle? Articulations?Answer: and 2 Os Coxae (innominate bones). Articulations: 2 Sacroiliac (synovial and syndesmotic) and Pubic Symphysis (cartilaginous) Question: Describe the orientation of the obturator foramen to the acetabulum? What structure runs through it?Answer: Relative inferior and anterior. Obturator nerve (L2-L4 AD) runs through defect in superior of obturator membrane. Question: The anterior portion of the SI joint on the illum is called the _____________and is the _____________portion of the joint. The posterior portion is called the ___________________portion of the SI joint.Answer: Auricular Surface. Synovial. Syndesmotic. (Interosseus SI -dense, irregular CT) Question: In the auricular surface, the bony surface of the sacrum is covered with ________________ while the ilium is covered with__________________.Answer: Sacrum:Hyaline. Ilium:Fibrocartilage. Due to forces. Question: SI fuse around which decade?Answer: Ebaugh: 3rd-5th decade. Pratt: Ankylosed by 6th decade in men and 1/3 . (degenerative changes in male 4th, female 5th) Question: How much movement has been scientifically measured with the SI ?Answer: 1-3 or 2-5mm Question: Ventral SI Ligament Answer: aspect. Ilium=>Sacrum Question: Iliolumbar attachmentsAnswer: Transverse Process 5th Vertebrae=>Medial Aspect of Illium Question: Which two ligaments help nutation of the sacrum? What are their attachments?Answer: Sacrospinous (sacrum=>ischial ) Sacrotuberous (sacrum=>ischial tuberosity) Question: Which two ligaments reinforce the pubic joint?Answer: pubic ligament (superiorly) and the Arcuate ligament (inferiorly) Question: Decribe the bony of the pelvic inletAnswer: In a =>sacral promontory, arcuate line, pectineal line of pubis, pubic tubercle Question: Transverse plane that abdominal & pelvic cavityAnswer: Pelvic Inlet (note: False Pelvis= part of abdominal cavity and True = Pelvic Cavity) Question: Name the boundaries of the cavityAnswer: Roof:pelvic inlet Anterior Wall:pubic bone Lateral Wall: pubic bone, , ischium Posterior Wall: sacrum Floor: Pelvic diaphragm (coccygeus and levator ani) Question: What is the main significance of the “pelvic diaphragm” or pelvic floor?Answer: muscles are the major support for all the contents. Levator Ani: sheet of muscles, Coccygeus: relatively posterior. Also openings for rectum , urethra, vagina. Question: Sciatic nerve typically exits the greater sciatic foramen with what relation to the piriformis? Inferior to piriformis ____% Partly below & through ____% Entire nerve pierces whole muscle ___%Answer: 85% ~14% ~1% Question: What role do the sacrotuberous and sacrospinous ligaments play in the greater and lesser sciatic foramen? Answer: Ligaments are responsible for turning foramen into notches. Sacrotuberous ligament closes the notches off posteriorly while ligament divides foramen into greater and lesser portions. Question: What is a “pectineal line”? Discuss on what bones they can be found on and their significance?Answer: A pectineal line refers to multiple-comb shaped lines. They can be found on surface of femur and ridge in superior ramus of pubic bone. Question: What marks the thickest part of ?Answer: Marked by arcuate line. Line leads directly to heavy superior aspect of , which is major weight bearing portion of socket. |
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