Sports OR Day 2

Question 1

3 compartments of the knee

Answer 1

Medial, lateral, patellofemoral

Question 2

Why are Cruciates extra-synovial

Answer 2

Covered in capsule lining

Question 3

Med students ACL

Answer 3

Ligamentum mucosum

Question 4

Lateral knee first layer

Answer 4

IT Band

Biceps

Question 5

Middle lateral knee

Answer 5

Lateral patellofemoral ligament and lateral patellar retinaculum

Question 6

Deep lateral knee

Answer 6

Superficial: LCL and fabelofemoral ligament
Deep: popliteus, popliteofibular ligament, capsule, arcuate ligament

Question 7

Where does the inferior lateral geniculate artery pass*

Answer 7

B/w the superficial and deep lamina of the third layer posterolateral corner

Question 8

First layer of medial knee

Answer 8

Sartorius and deep fascia

Question 9

Second layer of medial knee

Answer 9

Superficial MCL, posterior oblique ligament,

medial paterofemoral ligament, medial patellar retinaculum, semi-M

Question 10

Third layer of medial knee

Answer 10

Deep MCL (meniscofemoral and meniscotibial fibers)
Capsule

Question 11

What attaches medial meniscus to tibial plateu

Answer 11

Coronary ligaments

Question 12

3 layers of meniscus

Answer 12

1. Superficial: woven collagen fiber pattern (circumferential)
   2: Surface: randomly
2. Middle (deepest)- radially oriented fibers

Question 13

Where is the lateral meniscus not attached

Answer 13

Popliteal hiatus

Question 14

Two terminal branches of popliteal artery

Answer 14

Anterior and posterior tibial

Question 15

What comes off the lateral cord of the plexus

Answer 15

Lateral pectoral nerve

Question 16

What comes off the posterior cord

Answer 16

Lower subscapualar
Thoracodorsal
Upper subscapular

Question 17

What comes off the medial chord

Answer 17

Medial pectoral
Medial cutaneous nerve of arm
Medial cutaneous nerve of forearm

Question 18

Branch of 1st part of axillary artery

Answer 18

Superior thoracic

Question 19

Branches of 2nd part of axillary artery

Answer 19

Thoracoacromial (clavicular, acromial, deltoid, pectoral)

Lateral thoracic

Question 20

Branches of 3rd part of axillary artery

Answer 20

Subscapular (circumflex scapular)
Anterior circumflex humeral
Posterior circumflex humeral

Question 21

Artery that supplies most of the humeral head

Answer 21

Arcuate artery (branch of anterior circumflex humeral)

Question 22

SGHL FUnction

Answer 22

Resists inferior translation and ER in adduction

Resists posterior translation in 90 of FF

Question 23

MGHL Function

Answer 23

Resists anteroposterior translation in 45 of abduction

Question 24

AIGHL function

Answer 24

Resists anterior and inferior translation in abduction

Question 25

PIGHL Function

Answer 25

Resists posterior translation in IR and 90 FF

Question 26

Biceps pully

Answer 26

SGHL, CHL, and subscaps form anterior pulley to keep biceps tendon located in joint/groove

Question 27

What forms the rotator interval

Answer 27

Triangular space b/w anterior border of supraspinatus and superior border of subscap

Question 28

Rotator interval contents

Answer 28

SGHL, CHL and biceps tendon, antosuperior capsule