The Anterior Medial thigh

Question 1

The Femoral Triangle

Answer 1

Contains the Femoral artery, vein and nerve

Top border: Inguinal Ligament

Question 2

Femoral Nerve

Answer 2

Largest branch of the lumbar plexus
Innervated the thigh flexors and the leg extensors

Saphenous nerve is a branch of the femoral nerve

S1-S3?

Question 3

Femoral Artery

Answer 3

Continuation of the external iliac artery distal to the inguinal ligament

Question 4

Adductor Canal

Answer 4

Lies deep to sartorius
Extends from the apex of the femoral triangle to the adductor hiatus in the tendon of adductor magnus

Adductor Canal borders:

Anterior: Satorius
LAteral: Vastus medialis
Posterior: Adductor longus and adductor magnus

Apex: Adductor hiatus

Question 5

Pectineus

Answer 5

O: Pectineal line of the pubic bone

I: Pectineal line of the femur

A: Flexes the thigh at the hip;Externally rotates the thigh at the hip; Adducts the thigh at the hip

Question 6

Quadratus lumborum

Answer 6

O: Iliac crest

I: 12th Rib; Trasverse processes, L1-L4

A: Bilateral contraction: Extends the lumbar spine
Unilateral contraction: Laterally flexes the trunk

Question 7

Iliacus

Answer 7

O: Iliac fossa

I: Lesser trochanter of the femur

A: Flexes the thigh at the hip; Ventrally flexes the trunk (e.g. from supine)

Question 8

Psoas Major

Answer 8

O: Transverse processes L1-L5

I: Lesser trochanter of the femur

A: Flexes the thigh at the hip; Externally rotates the thigh at the hip; Ventrally and laterally flexes the trunk (e.g. from supine)

Question 9

Tensor Fascia Latae

Answer 9

O: Anterior superior iliac spine

I: Iliotibial band

I: Superior gluteal nerve

A: Flexes the thigh at the hip; Internally rotates the thigh at the hip; Abducts the thigh at the hip (with glute max)

Question 10

Sartorius

Answer 10

O: Anterior superior iliac spine

I: Medial aspect of the tibia

A: Flexes the thigh at the hip; Externally rotates the thigh at the hip; Abducts the thigh at the hip; Flexes the leg at the knee

Question 11

Quadriceps Femoris

Answer 11

A large group of muscles covering the anterior thigh

Powerful muscle

Extends the leg at the knee
Innervated by the femoral nerve
Insert via a common tendon, the quadriceps tendon

Rectus Femoris
Vastus Lateralis
Vastus Medialis
Vastus Intermedius

Question 12

Rectus femoris

Answer 12

O: Anterior inferior iliac spine

I: Paterlla, tibial tuberosity

A: Flexes the thigh at the hip; Extends the leg at the knee

Question 13

Vastus Lateralis

Answer 13

O: Linea aspera of the femurl Greater trochanter of the femur

I: Patella, tibial tuberosity

A: Extends the leg at the knee

Question 14

Vastus Medialis

Answer 14

O: Linea aspera of the femur; Intertrochantaric line

I: patella; Tibial tuberosity

A: Extends the leg at the knee

Question 15

Vastus intermedius

Answer 15

O: Body of the femur

I: Patella, Tibial tuberosity

A: Extends the leg at the knee

Question 16

Medial thigh muscles

Answer 16

Adductors of the thigh at the hip

Innervated b the obturator nerve (of the lumbar plexus)

Adductor longus
Adductor Brevis
Adductor Megnus
Gracilis
Obturator externus
Pectineus

Question 17

Adductor Brevis

Answer 17

O: Body of the pubic bone;inferior pubic ramus

I: Linea aspera of the femur

A: Adducts the thigh at the hip; externally rotates the thigh at the hip; Flexes the thigh at the hip

Question 18

Adductor longus

Answer 18

O: Body of the pubic bone

I: Linea aspera of the femur

A: Adducts the thigh at the hip; Flexes the thigh at the hip

Question 19

Adductor magnus

Answer 19

O: Inferior pubic ramus; Ischial ramus; ischial tuberosity

I: Linea aspera; Adductor tubercle

A: Adducts the thigh at the hip; Externall rotates the thigh at the hip

Question 20

Gracilis

Answer 20

O: Body of the pubic bone; Inferior pubic ramus

I: Pes anserinus

A: Adducts the thigh at the hip; Flexes the thigh at the hip; Flexes the leg at the knee; Internally rotates the leg at the knee

Question 21

Pesanserinus (Goose’s foot)

Answer 21

Medial to lateral:

Gracilis
Semitendinosis
Sartorius