lower limb

Question 1

name the six external rotators of the hip

Answer 1

piriformis
obturator internus
obturator externus
gemullus inferior
gemullus superior
quadratus femoris

Question 2

what three muscles are supplied by the superior gluteal nerve?

Answer 2

gluteus medius
gluteus minimus
tensor fascia latae

Question 3

which muscle is supplied by gluteus maximus and what its root?

Answer 3

inferior gluteal nerve, L5-S2

Question 4

what are the roots of superior gluteal nerve?

Answer 4

L4-S1

Question 5

boundaries of femoral ring?

Answer 5

anteriorly by the inguinal ligament.
posteriorly by the pectineal ligament.
medially by the crescentic base of the lacunar ligament.
laterally by the fibrous septum on the medial side of the femoral vein.

Question 6

features of femoral hernia

Answer 6

more common in females
inguinal hernia more common in men
truss not a good method of mx

Question 7

which root supply the sacral plexus?

Answer 7

L4-S4

Question 8

pectineus o/i/a/n

Answer 8

o: pectineal line of pubic bone
i: pectineal line of femur
a: adduction of thigh
n: femoral nerve

Question 9

root origin of femoral nerve

Answer 9

ventral rami of L2-4

Question 10

boundaries of the adductor canal?

Answer 10

Anteriorly - sartorius.
Postermedially - adductor longus and adductor magnus.
Laterally - vastus medialis.

Question 11

.tibial nerve roots, motor, sensory?

Answer 11

L4-S3

posterior compartment of leg

posterolateral leg, lateral side of foot, sole of foot

Question 12

piriformis ?o

Answer 12

Origin: Anterior surface of lateral process of sacrum and gluteal surface of ilium at the margin of the greater sciatic notch

Question 13

piriformis ?i

Answer 13

Insertion: Superior border of greater trochanter

Question 14

piriformis ?action

Answer 14

Action: Lateral rotator of the hip joint; also helps abduct the hip if it is flexed

Question 15

piriformis ?nerve

Answer 15

Innervation: Piriformis nerve (L5, S1, S2)

Question 16

piriformis ?arterial

Answer 16

Arterial Supply: Superior and inferior gluteal and internal pudendal arteries

Question 17

adductor magnus ?i

Answer 17

Insertion: Gluteal tuberosity of femur, medial lip of linea aspera, medial supracondylar ridge, and adductor tubercle

Question 18

adductor magnus ?o

Answer 18

Origin: Inferior pubic ramus, ischial ramus, and inferolateral area of ischial tuberosity

Question 19

adductor magnus ?action

Answer 19

Action: Powerful thigh adductor; superior horizontal fibers also help flex the thigh, while vertical fibers help extend the thigh

Question 20

superior gluteal nerve supplies which muscles?

Answer 20

tensor fasciae latae
glut minimus
glut medius