Femoral Triangle

Question 1

Femoral Triangle Borders

Answer 1

Inguinal L.
Sartorius
Adductor longus

Question 2

Iliacus
Innervation:
Roots:
Action:

Answer 2

Femoral nerve
*L2/L3
Flex hip or thigh

Question 3

Floor of triangle

Answer 3

Iliacus
Psoas major
Psoas minor
Pectineus

Question 4

Roof of femoral triangle

Answer 4

Skin
Subcutaneous tissue
Cribiform fascia
Fascia lata

Question 5

Flexors of the Hip joint

Answer 5

Pectineus
Iliacus
Psoas major
Sartorius

Question 6

Pectineus
Innervation:
Roots:
Action:

Answer 6

Femoral nerve
*L2/L3
Adducts & flexes thigh
Assist with medial rotation of thigh

Question 7

Psoas major
Innervation:
Roots:
Action:

Answer 7

Anterior rami of lumbar nerves
L1,L2,L3
Flex hip and thigh joint

Question 8

Psoas minor
Innervation:
Roots:
Action:

Answer 8

Anterior rami of lumbar nerves
L1/L2
Flex hip and thigh

Question 9

Sartorius
Innervation:
Roots:
Action:

Answer 9

Femoral nerve 
L2/L3
Flex, abduct and laterally rotate thigh at hip joint
Flex at knee joint 
Medially rotate leg when knee is flexed

Question 10

Knee extensors

Answer 10

Quadriceps femoris 
Rectus femoris 
Vastus lateralis 
Vastus medialis 
Vastus intermedius

Question 11

Rectus femoris
Innervation:
Roots:
Action:

Answer 11

Femoral nerve 
L2,*L3, *L4
Extend leg at knee 
Help iliopsoas flex thigh 
Steady hip joint

Question 12

Vastus lateralis
Innervation:
Roots:
Action:

Answer 12

Femoral nerve
L2, L3,L4
Extend leg at knee

Question 13

Vastus medialis
Innervation:
Roots:
Action:

Answer 13

Femoral nerve
L2, L3,L4
Extend leg at knee

Question 14

Vastus intermedius
Innervation:
Roots:
Action:

Answer 14

Femoral nerve
L2, *L3, *L4
Extend leg at knee

Question 15

Adductor longus
Innervation:
Roots:
Action:

Answer 15

Obturator nerve (anterior division)
L2, *L3, L4
Adducts thigh

Question 16

Adductors of thigh

Answer 16

Adductor longus
Adductor brevis
Adductor magnus
Gracilis
Obturator externus

Question 17

Adductor brevis
Innervation:
Roots:
Action:

Answer 17

Obturator nerve (anterior division) 
(L2,*L3, L4) 
Adduct thigh (to some extent can flex it)

Question 18

Adductor magnus (adductor part)
Innervation:
Roots:
Action:

Answer 18

Obturator nerve (posterior division)
(L2,L3,L4)
Adducts thigh

Question 19

Adductor magnus (hamstring part)
Innervation:
Roots:
Action:

Answer 19

Tibial part of sciatic nerve
L4
Extends thigh

Question 20

Gracilis
Innervation:
Roots:
Action:

Answer 20

Obturator nerve 
*L2,L3
Adduct thigh 
Flex leg 
Rotate leg medially

Question 21

Obturator externus
Innervation:
Roots:
Action:

Answer 21

Obturator nerve
L3,*L4
Laterally rotate thigh
Steady head of femur

Question 22

Hip flexors

Answer 22

Iliopsoas

Question 23

Hip extensors

Answer 23

Gluteus maximus

Question 24

Hip abductors

Answer 24

Gluteus medius and minimus

Question 25

External rotators of the Hip

Answer 25

Internal and external obturators Quadratus femoris Superior and inferior gemelli

Question 26

Internal rotators of the hip

Answer 26

Iliopsoas