Pelvis Final (5%) Flashcards
What type of joint is the sacroiliac joint?
A diarthrodial synovial joint.
iliac surface of sacroiliac joint lined with:
tougher fibrocartilage
What types of cartilage cover the sacroiliac joint surface of the auricular surface?
smooth hyaline cartilage.
What is the function of the sacroiliac joint?
Weightbearing with strong bony connections and little movement.
What is the strongest ligament in the body?
Interosseous Sacroiliac Ligament
Which ligament connects the ischial tuberosity to the sacrum and coccyx?
Sacrotuberous ligament
What type of cartilage is found in the interpubic disc of the pubic symphysis?
Fibrocartilage
What ligaments stabilize the pubic symphysis?
Superior and inferior pubic ligaments
What marks the floor of the pelvis and abdominal cavity?
Pelvic floor
Which muscles is part of the pelvic floor?
Levator Ani
Ischiococcygeus
Which structure serves a similar function to the pubovesical ligament in males?
Puboprostatic ligament
In females, fibromuscular bands that extend from the neck of the bladder to the pubic bone = ______
Pubovesical Ligament:
What structures innervate the gluteal region and posterior thigh?
Lumbar and sacral plexuses.
What are the borders of the femoral triangle?
Inguinal ligament, adductor longus, and sartorius.
What is the arrangement of structures in the femoral triangle from lateral to medial?
Femoral nerve, femoral artery, femoral vein, lymphatics (NAVL).
Where does the obturator nerve arise from?
Lumbar plexus
What are the major branches of the sacral plexus?
Sciatic nerve, gluteal nerves, and pudendal nerve.
Which nerve exits the pelvis through the greater sciatic foramen inferior to the piriformis to innervate quadratus femoris?
Nerve to quadratus femoris.
Which nerve exits the pelvis through the greater sciatic foramen inferior to the piriformis to innervate obturator internus?
Nerve to obturator internus.
Which nerve exits the pelvis through the greater sciatic foramen inferior to the piriformis to supply the gluteal region?
Inferior gluteal nerve.
What is the major sensory nerve of the perineum?
Pudendal nerve.
What is the largest nerve in the body?
Sciatic nerve
What is the pathway of the tibial nerve?
popliteal fossa to posterior leg compartment, to sole of the foot.
What is the most commonly injured nerve in the lower limb?
Common fibular nerve.