Anatomy

Question 1

Origin of sartorius

Answer 1

ASIS

Question 2

Origin of rectus femoris

Answer 2

AIIS

Question 3

Acetabulum orientation

Answer 3

15 degrees anteverted

45 degrees caudally oriented in coronal plane

Question 4

Adult posterior hip approach guidelines

Answer 4

Do not completely transect quadratus femoris to prevent damage to medial femoral circumflex artery

Question 5

Pediatric femoral nail insertion guidelines

Answer 5

Piriformis starting point threatens posterosuperior retinacular vessels. Potential for femoral head AVN

Question 6

Femoral neck anteversion

Answer 6

14 degrees in relation to femoral condyles

Question 7

Femoral neck-shaft angle

Answer 7

Average 127 degrees (141 degrees in fetus)

Question 8

Extrascapular region of hip joint capsule

Answer 8

Basicervical and intertrochanteric crest

Question 9

Strongest ligament in body

Answer 9

Iliofemoral ligament

Attaches AAIS to intertrochanteric line in an inverted Y manner

Question 10

Muscles involved, hip flexion

Answer 10

Iliipsoas, rectus femoris, psoas, sartorius

PePsIlSaRe

Question 11

Muscles involved, hip extension

Answer 11

Gluteus Maximus, hamstrings (Semitendinosus, seminembranosus, long head of biceps femoris)

Question 12

Muscles involved, hip abduction

Answer 12

Gluteus medius, gluteus minimus (primary), tensor fascia lata (helps with abduction in flexed hip)

Question 13

Muscles involved, hip adduction

Answer 13

Adductor brevis, longus, magnus; pectineus, gracilis

Question 14

Muscles involved, hip external rotation

Answer 14

Obturator internus, obturator externus, superior and inferior gemelli, quadratus femoris, piriformis

Question 15

Muscles involved, hip internal rotation

Answer 15

Secondary actions of anterior fibers of gluteus medius, gluteus minimus, TFL, semimembranosus, semitendinosus, pectineus, posterior part of adductor magnus

Question 16

Fubular neck has a groove for this nerve

Answer 16

Common peroneal nerve

Question 17

Borders of femoral triangle

Answer 17

Lateral: sartorius
Medial: pectineus
Superior: inguinal ligament

Floor (lateral to medial): iliacus, psoas, pectineus, adductor longus

Question 18

Structures passing through femoral triangle

Answer 18

(Lateral to medial): femoral nerve, artery, vein and lymphatic vessels

NAVaL

Question 19

Borders of femoral triangle

Answer 19

Lateral: sartorius
Medial: pectineus
Superior: inguinal ligament

Floor (lateral to medial): iliacus, psoas, pectineus, adductor longus

Question 20

Structures passing through femoral triangle

Answer 20

(Lateral to medial): femoral nerve, artery, vein and lymphatic vessels

NAVaL

Question 21

Blood supply of femoral head

Answer 21

Medial femoral circumflex artery

Question 22

Course of medial femoral circumflex artery

Answer 22

Runs between pectineus and iliopsoas and proceeds distally anterior to quadratus femoris on its cranial edge just distal to obturator externus

Question 23

Blood supply of menisci

Answer 23

Lateral and medial geniculate arteries

Question 24

Supplies cruciate ligaments

Answer 24

Middle geniculate artery

Question 25

Anastomotic connection between inferior epigastric branch of external Iliac vessels and obturator vessels in the obturator canal

Answer 25

Corona Mortis Can lead to life threatening injury if injured

Question 26

Can be injured by placement of a tabular screws in anterosuperior quadrant during total hip arthroplasty

Answer 26

Femoral artery from external iliac artery