pelvis anatomy

Question 1

function of long posterior sacroiliac ligaments

Answer 1

limits anterior pelvic rotation or sacral counternutation

Question 2

function of short posterior sacroiliac ligaments

Answer 2

limits all pelvic and sacral movement

Question 3

function of sacrotuberous and sacrospinous ligament

Answer 3

limit posterior pelvic rotation or sacral nutation and provides vertical stability

Question 4

function of iliolumbar ligament

Answer 4

stabilizes L5 on the ilium

Question 5

what are the components of the deep posterior longitudinal system

Answer 5

erector spinae, thoracolumbar fascia, hamstring muscles and sacrotuberous ligament

Question 6

what are the components of the superficial posterior longitudinal system

Answer 6

latissumus dorsi, gluteus maximus and thoracolumbar fascia

Question 7

what are the components of the anterior oblique system

Answer 7

internal and external obliques, contralateral adductors and abdominal fascia

Question 8

what are the components of the lateral system

Answer 8

gluts med and min

Question 9

what are the components of the innermost muscle group

Answer 9

multifidus, transverse abdominus, diaphragm and pelvic floor muscles

Question 10

function of the anterior-posterior superficial group

Answer 10

controls anterior-posterior rotation of pelvis on fixed femur

Question 11

components of the anterior-posterior superficial group

Answer 11

hamstrings
gluts max
erector spinae
rectus abdominis
internal and external obliques
psoas
rectus femoris
sartorius
iliofemoral and sacrotuberous ligs