Glute/Hip

Question 1

Gluteus Maximus

Answer 1

O: behind post. gluteal line of ilium, post. sacrum, coccyx, and sacrotuberous lig.
I: gluteal tuberosity of femur
A: *hip extension, lateral rot. of hip, stabilization of hip and knees
N: inferior gluteal nerve (L5-S2)

Question 2

Gluteus Medius

Answer 2

O: lateral surface of hip bone
I: lat. surface of greater trochanter of femur
A: *hip abduction, medial rot and hip stabilization
*trandelenburg - weak glut med is on standing leg?
N: superior gluteal nerve (L4-S1)

Question 3

Gluteus Minimus

Answer 3

O: lat. surface of ilium
I: ant. surface of greater trochanter
A: abduction assist, medial rot of hip, stabilization of hip, flexion of hip (b/c of ant. insertion on gr. troch.)
N: Superior gluteal nerve (L4-S1)

Question 4

Tensor Fascia Lata (TFL)

Answer 4

O: ASIS, iliac tubercle
I: lateral tibial condyle (through IT band)
A: hip abduction, medial rot of hip, lateral stability of knee joint,
N: superior gluteal nerve (L4-S1)

Question 5

Draw diagram/code for sacral plexus

Answer 5

SIPPS
4 - sup. glut
5 5 - inf. glut
1 1 1 - post. cutaneous N. of thigh 
   2 2 2 - pudendal
      3 3 3 - sciatic
         4 4
            5

Question 6

Piriformis

Answer 6

O: ant sacrum, sacrotuberous lig.
I: through greater sciatic foramen to sup. greater trochanter
A: lat. rot of hip if hip 60°, stabilization of hip
N: nerve to piriformis (S1-S2)

Question 7

List the lateral rotators of the hip

Answer 7

piriformis, obturator internus, gemelli, quadratus femoris*

Question 8

Describe legg-calf perthes disease and it’s relation to vasculature of hip

Answer 8

obturator A. supplies head of femur via teres ligament (round lig. of head of femur) - prior to age 10 this is the only supply - if damaged –> avascular necrosis of femoral head

Question 9

List the ligaments of the hip

Answer 9

• ischiofemoral lig - anterior controls hip ext., abd., and lat. rot.; post. controls med. rot.,
• pubofemoral lig
• iliofemoral lig (sup. and inf bands)

Question 10

What is the prime structure of support for the hip joint on the anterior side? What about post? (ie. muscles OR ligaments)

Answer 10

ant. - ligaments - there are more and they are thicker

post. - muscle - they are more and they are bigger

Question 11

Draw the lumbar plexus

Answer 11

see notes