Muscle O/I/A/I Facts

Question 1

How many muscles are innervated by the superior gluteal nerve? List them

Answer 1

3
Gluteus medius
Gluteus minimus
Tensor fascia latae

Question 2

How many muscles insert on the greater trochanter? List them

Answer 2

7! ^_^
* gluteus medius
* gluteus minimus
* piriformis
* superior gemellus
* obturator internus
* inferior gemellus
* vastus lateralis

Question 3

List all the muscles that originate on the oscoxa and insert on the proximal femur

Answer 3

External rotator group P-GOGO-Q
total: 6
Piriformis
Superior gemellus
Obturator internus
Inferior gemellus
Obturator externus
Quadratus femoris

Question 4

What muscles extends over both the hip and knee joints?

Answer 4

Anteriorly: Rectus femoris

Medial compartment: gracilis

Posteriorly: biceps femoris, semitendinosus, semimembranosus, hamstring portion of adductor magnus

Question 5

What forms the pes anserius? Where is it?

Answer 5

sartorius, semitendinosus, and gracilis tendon

medial surface of tibia

Question 6

Which adductor is innervated by the femoral nerve?

Answer 6

Pectineus

Question 7

What muscles does the obturator nerve innervate?

Answer 7

adductors

Question 8

If the femoral nerve is cut, explain what would be weak/paralyzed

Answer 8

weak hip flexion, extension, external rotation, adduction