Upper Leg

Question 0

Sartorius

Answer 0

ORIGIN: ASIS
INSERTION: Pes anserinus (superior medial surface of the tibia)

INNERVATION: Femoral nerve (L2-3)

Question 1

Iliopsoas

Answer 1

ORIGIN:Iliacus: Iliac fossa and iliac crest Psoas: Transverse process and bodies of T12-L
INSERTION: Lesser trochanter of the femur
INNERVATION: Iliacus: femoral nerve (L2-3) Psoas: L1-3

Question 2

Quadriceps Group

• Rectus Femoris
• Vastus Lateralis
• Vastus Medialis
• Vastus Intermedius

Answer 2

ORIGIN: Rectus femoris-AIIS
VM, VL, VI-intertrochanteris line, greater trochanter

INSERTION: Tibial tuberosity via the patellar tendon
INNERVATION: Femoral nerve (L2-4)

Question 3

Tensor Fascia Lata

Answer 3

ORIGIN: Iliac crest and ASIS

INSERTION: Iliotibial band

INNERVATION: Superior Gluteal nerve (L4-5)

Question 4

Articularis Genu

Answer 4

ORIGIN: Lower ¼ of the anterior surface of the femur

INSERTION: Articular capsule of the knee joint

INNERVATION: Femoral branch to vastus intermedius (L2-4)

Question 5

Pectineus

Answer 5

ORIGIN: Superior pubic ramus

INSERTION: Pectineal Line (line extending from the lesser trochanter to the linea aspera)
INNERVATION: Femoral nerve (L2-3)

Question 6

Adductor Brevis

Answer 6

ORIGIN: Inferior pubic ramus

INSERTION: Upper ½ of linea aspera

INNERVATION: Obturator nerve (anterior branch of L2-4)

Question 7

Adductor Longus

Answer 7

ORIGIN: Anterior pubic ramus

INSERTION: Middle of linea aspera

INNERVATION: Obturator nerve (anterior branch of L2-4)

Question 8

Adductor Magnus

Answer 8

ORIGIN: Ischial tuberosity, ischium, and pubic ramus

INSERTION: Line from lesser trochanter to linea aspera, linea aspera, medial supracondylar line, adductor tubercle
INNERVATION: Obturator nerve (L2-4)

Question 9

Gracilis

Answer 9

ORIGIN: Inferior pubic ramus

INSERTION: Pes anserinus (superior medial tibia)

INNERVATION: Obturator nerve (L2-3)

Question 10

Gluteus Maximus

Answer 10

ORIGIN: Posterior gluteal line, posterior sacrum and coccyx, sacrotuberous ligament
INSERTION: Gluteal tuberosity of the femur, iliotibial band

INNERVATION: Inferior gluteal nerve (L5, S1-2)

Question 11

Gluteus Medius

Answer 11

ORIGIN: Outer surface of the ilium, anterior and posterior gluteal line

INSERTION: Lateral surface of the greater trochanter

INNERVATION: Superior gluteal nerve (L5, S1)

Question 12

Gluteus Minimus

Answer 12

ORIGIN: Outer surface of the ilium between anterior and inferior gluteal lines
INSERTION: Anterior border of the greater trochanter

INNERVATION: Superior gluteal nerve (L5, S1)

Question 13

Piriformis

Answer 13

ORIGIN: Anterior sacrum, sacrotuberous ligament

INSERTION: Greater trochanter

INNERVATION: Nerve to piriformis (L5, S1)

Question 14

Obturator Externus

Answer 14

ORIGIN: External pubis and ischium, obturator foramen margin, obturator membrane
INSERTION: Trochanteric fossa of the femur

INNERVATION: Obturator nerve (L3-4)

Question 15

Superior Gemellus

Answer 15

ORIGIN: Outer surface of the ischial spine

INSERTION: Greater trochanter

INNERVATION: Nerve to gemellus superior (L5, S1)

Question 16

Inferior Gemellus

Answer 16

ORIGIN: Upper part of the ischial tuberosity

INSERTION: Greater trochanter

INNERVATION: Nerve to gemellus inferior (L5, S1)

Question 17

Quadratis Femoris

Answer 17

ORIGIN: Ischial tuberosity

INSERTION: Quadrate tubercle of the femur

INNERVATION: Nerve to quadratus femoris (L5, S1)

Question 18

Obturator Internus

Answer 18

ORIGIN: Pelvic surface of the obturator membrane, margin of the obturator foramen
INSERTION: Greater trochanter

INNERVATION: Nerve to obturator internus (L5, S1)

Question 19

Biceps Femoris

Answer 19

ORIGIN: Long head: Ischial tuberosity Short head: lower ½ of lateral lip of linea aspera
INSERTION: Head of fibula, lateral tibial condyle
INNERVATION: Long head: Tibial division of sciatic nerve (L5S1-2) Short head: peroneal division of sciatic nerve (L5S1-2)

Question 20

Semimebranosus

Answer 20

ORIGIN: Lateral ischial tuberosity

INSERTION: Posterior medial tibial condyle, oblique popliteal ligament

INNERVATION: Tibial division of sciatic nerve (L5S1-2)

Question 21

Semitendinosus

Answer 21

ORIGIN: Medial ischial tuberosity

INSERTION: Pes anserinus (superior medial tibial condyle)

INNERVATION: Tibial division of sciatic nerve (L5S1-2)

Question 22

Popliteus

Answer 22

ORIGIN: Lateral femoral condyle, posterior lateral meniscus

INSERTION: Tibial above the soleal line

INNERVATION: Tibial nerve (L4-5S1)