MISSED ANATOMY

Question 1

BONES THAT FORM PTERION? HOUSES WHAT ARTERY?

Answer 1

Frontal, parietal, temporal, sphenoid

Middle meningeal artery

Question 2

epidural hematoma causes rupture of the

Answer 2

middle meningeal artery

Question 3

ASTERION FORMED BY

Answer 3

Junction of temporal, parietal, and occipital bones

Question 4

ligament that runs from posteromedial aspect of lateral femoral condyle to anteromedial aspect of tibia

Answer 4

ACL

Question 5

unhappy triad

Answer 5

ACL, MCL, MM

Question 6

which is more sensitive test for ACL? Lachman for Anterior drawar?

Answer 6

Lachman

Question 7

ligament that runs from lateral aspect of medial femoral condyle to fovea centralis
largest intrarticular ligament in knee

high impact trauma

Answer 7

PCL

Question 8

femoral medial epicondyle to tibial medial condule

most commonly injured knee ligament.

Answer 8

MCL

Question 9

mechanism of injury is excessive valgus (direct force medially) stress

Answer 9

MCL

Question 10

femoral lateral epicondyle to head of fibula

Answer 10

LCL

Question 11

excessive varus stress (directed laterally –> going outwards)

Answer 11

LCL

Question 12

shock absorbers in the knee

Answer 12

medial and lateral menisci

Question 13

twisting of the knee or sudden directional change

Answer 13

medial and lateral menisci

Question 14

How to test meniscus?

Answer 14

McMurray

Question 15

Medial meniscus test

Answer 15

Mcmurray

Flex knee, palpate lateral side of knee, externally rotate foot/leg and apply valgus stress while extending leg

Pop or click is positive

Question 16

Lateral Meniscus test

Answer 16

flex knee, palpate lateral side of knee, internally rotate foot/leg and apply varus stress while extending leg

Pop or click over meniscus is positive

Question 17

resists valgus stress

Answer 17

medial collateral ligament (MCL)

Question 18

resists varus stress

Answer 18

lateral collateral ligament (LCL)

Question 19

Anterior talofibular ligament (ATF) is the

Answer 19

ligament that always tears first

ATF
always tears first

Question 20

Type 1 ankle sprain
Type 2 sprain
Type 3 sprain

Answer 20

1 ligament injured (ATF)
2 ligaments injured
3 ligaments injured

Question 21

common peroneal nerve is also known as

Answer 21

fibular nerve

Question 22

Injury to iliophypogastric nerve is due to

Answer 22

abdominal surgery

Abdomin-ILL surgery damages the ILL-io

Question 23

t12-L2
Sensory: suprapubic region
Motor: Transverse abdominis, internal oblique

Answer 23

Iliohypogastric nerve

Question 24

Origin: L1-L2
Injury: laparoscopic injury
Sensory: scrotum, labia
Motor: cremaster

Answer 24

Genitofemoral nerve

Genital-femoral nerve mnemonic

Question 25

Origin: L2-L3 Injury: tight clothes, obesity Sensory: anterior/lateral thigh region

Answer 25

Lateral femoral cutaneous LFC Lazy, fat, clothing

Question 26

Origin: L2-L4 Injury: Pelvic surgery Sensory: medial thigh Motor: adductors, obturator externus

Answer 26

Obturator nerve obturator is damaged by the operator

Question 27

Origin: L2-L4 Injury: Pelvic fracture Sensory: Anterior thigh, medial leg (saphenous branch of femoral nerve) Motor: Quads, Iliacus, pectineus, sartorius (thigh flexion, leg extension)

Answer 27

Femoral nerve FEMoral Flexors of thigh Extension of Medial leg

Question 28

Origin: L4-S3 Injury: Disc herniation, piriformis injury Motor: Semimembranosus, semitendinosus, biceps femoris, adductor magnus

Answer 28

Sciatic Nerve

Question 29

What does sciatic split into?

Answer 29

Tibial and Common Peroneal nerve and then give rise to sural nerve Sciatic nerve covers All of the leg + foot sensory branches except for saphenous (Femoral)

Question 30

L4-L2 (from sciatic) Injury: lateral aspect of leg, aka fibular neck injury

Answer 30

Common peroneal nerve

Question 31

Common peroneal splits into

Answer 31

Deep peroneal --> tibialis anterior Superficial peroneal --> peroneaus longus and brevis

Question 32

L4-S3 (from sciatic) Injury: baker cyst, tarsal tunnel syndrome

Answer 32

Tibial nerve

Question 33

Tibial nerve mnemonic

Answer 33

TIP: problems Tibial Inerts Plantarflexes

Question 34

Common Peroneal Nerve mnemonic

Answer 34

PED: problems Peroneal Eversion Dorsiflexion

Question 35

pain/paresthesias in the anterolateral thigh is due to compression of the

Answer 35

lateral femoral cutaneous nerve.. This condition is known as meralgia paresthetica

Question 36

cribriform plate fracture, you may see

Answer 36

CSF leaking, rhinorrhea