Lab 27-28: Gluteal Region

Question 1

cutaneous branches from dorsal rami of first, second and third sacral nerves

Answer 1

middle cluneal nn

Question 2

cutaneous branches from dorsal rami of upper three lumbar n

Answer 2

superior cluneal nn

Question 3

origin inferior cluneal n

Answer 3

gluteal branches of posterior femoral cutaneous n

ventral primary rami

Question 4

main attachment of gulteus maximus

Answer 4

iliotibial tract

Question 5

how often does the common peroneal diviison of the sciatic n separate and pass through the piriformis

Answer 5

10%

Question 6

cruciate anastomosis

Answer 6

medial femoral circumflex
1st perforating branch of profunda femoral a
inferior gluteal a
transverse branch of lateral femoral circumflex a

Question 7

structures medial to the sciatic n

Answer 7

internal pudendal a and v
pudendal n

medial to both of those : n to obturator internus