Exam 2 SG

Question 1

ACL

function

Answer 1

prevent tibia from sliding too far forward

stability

Question 2

PCL

function

Answer 2

prevent femur from sliding off the anterior edge of the tibia and prevent tibia from displacing posterior to the femur

Question 3

MCL

function

Answer 3

resist outward turning forces on the knee

Question 4

LCL

Function

Answer 4

avoid varus stress across the knee

Question 5

open kinetic chain

movement

Answer 5

movement where the distal extremity is not fixed

knee extension

Question 6

closed kinetic chain

movement

Answer 6

movement where the distal extremity is fixed

leg press

Question 7

open pack position

flex or ext

Answer 7

25 flexion

Question 8

closed pack position

flex or ext

Answer 8

full extension

Question 9

screw home mechanism

Answer 9

stabilty
rotation between the tibia and femur
occurs at the end of extension, between full extension and 20 degrees of knee flexion

Question 10

role of meniscus

Answer 10

disperse weight of the body and reduce friction during movment

Question 11

anatomy of meniscus

Answer 11

two pads of fibrocartilaginous tissue

concave on the top and flat on the bottom

Question 12

knee AROM

Flexion

Answer 12

135-145

Question 13

knee AROM

Extension

Answer 13

0

Question 14

knee flexion

end feel

Answer 14

soft

Question 15

knee extension

end feel

Answer 15

firm

Question 16

muscle in knee for flexion

Answer 16

hamstring

Question 17

muscle in knee for extension

Answer 17

quadriceps

Question 18

edema/effusion

special tests

Answer 18

sweep test
ballotable patella
bounce home test

Question 19

patella pathology

special test

Answer 19

clarke’s test
aprrehension test
patella alignment/tracking

Question 20

ligamentous

stress test

Answer 20

anterior drawer
lachmans
posterior sag sign
90/90 godfrey's test
posterior drawer
valgus
varus
slocums
lelli test

Question 21

meniscus pathology

special tests

Answer 21

medial-lateral grind test
mcmurray’s
apley’s compression/distraction
thessaly test

Question 22

other pathologies

Answer 22

nobles test
renne's test
hughstons pics test
q angle
girth

Question 23

muscles

hamstrings

Answer 23

biceps femoris
semitendinosus
semimembranosus

Question 24

muscles

quardriceps

Answer 24

vastus lateralis
vastus medialis
vastus intermedius
rectus femoris

Question 25

muscles | pes anserine

Answer 25

sartorius gracillis semitendinosus

Question 26

ACL sprain MOI Signs/Symptoms evaluation

Answer 26

acute force causing anterior tibial translation, non-contact, stopping, pivoting, cutting feel "pop", effusion, unable to FWB, limited extension, refer to physician

Question 27

MCL sprain MOI Signs/Symptoms evaluation

Answer 27

acute valgus force, direct blow delayed swelling, PT over length of MCL no activity, refer to DR.

Question 28

LCL sprain MOI Signs/Symptoms evaluation

Answer 28

acute varus force diffuse swelling, PT over LCL, deformity, limited flex/ext, refer to DR, rehab

Question 29

PCL sprain MOI Signs/Symptoms evaluation

Answer 29

acute, landing on knee in flexed position effusion, posterior sag present, tenderness in popliteal fossa, ROM normal Rehab, refer to DR.

Question 30

meniscus injuries MOI Signs/Symptoms evaluation

Answer 30

flexion of knee with rotation of tibia, pinching meniscus locking or clicking, pain around joint line, knee giving away, swelling, refer to DR.

Question 31

patellar dislocations MOI Signs/Symptoms evaluation

Answer 31

contact or no contact, diffuse swelling, most occur laterally, refer to DR.,

Question 32

IT Band friction syndrome MOI Signs/Symptoms evaluation

Answer 32

insidious, repetitive activities with flex/ext PT lateral femoral condyle, ROM normal treat symptoms, stretching IT band

Question 33

autograft

Answer 33

taken from patient

Question 34

allograft

Answer 34

graft taken from donor

Question 35

`anatomical structure of posterolateral corner

Answer 35

tibia, fibula, lateral femur, iliotibial band, long and short head of biceps femoris tendon, fibular collateral ligament, popliteus tendon, popliteofibular ligament, lateral gastrocnemius tendon, and fabellofibular ligament

Question 36

function of posterolateral corner

Answer 36

creates stability in knee

Question 37

what is Q angle

Answer 37

angle between quadriceps tendon and patellar tendon

Question 38

how to measure Q angle

Answer 38

ASIS to center of petella

Question 39

different things to inspect/observe during knee evaluation

Answer 39

``` location MOI foot fixation contact vs non-contact internal/external torque sounds/sensations onset of injury previous injury kinetic chain girth ```

Question 40

different things to inspect/observe during knee evaluation

Answer 40

``` location MOI foot fixation contact vs non-contact internal/external torque sounds/sensations onset of injury previous injury kinetic chain girth ```

Question 41

LE Myotome

Answer 41

``` L1- hip flexion L2- hip flexion L3- knee extension L4- DF, inverison L5- great toe extension S1- PF, eversion S2- knee flexion ```

Question 42

LE DTR

Answer 42

L4- Petellar tendon reflex | S2- achilles tendon reflex

Question 43

LE Dermatomes

Answer 43

L1- proximal thigh L2- mid thigh L3- mid to distal thigh above knee L4- medial lower leg, medial foot, 1st toe L5- anterior lower leg, dorsal foot, 2-4 toes S1- lateral and posterior lower leg, bottom of foot, 4-5 toes S2- popliteal fossa and posterior thigh