knee pathology and intervention

Question 1

which is more at risk for osteoarthritis, following lateral meniscectomy or following medial meniscectomy?

Answer 1

lateral

Question 2

which direction do the menisci move during knee flexion?

Answer 2

posteriorly (semitendinosus + popliteus)

Question 3

Patients with ACL deficiency or following ACL surgery will have impaired….

Answer 3

proprioception

Question 4

a knee brace used following ligament repair is primarily used to increase _______ input since structures have been injured/repaired

Answer 4

proprioceptive

Question 5

exercise prescriptions/programs following ACL reconstruction should focus on strengthening this muscle group

Answer 5

hamstrings

Question 6

A-P movement is greater in this meniscus, making it more prone to injury

Answer 6

lateral

Question 7

following PCL injury/reconstruction, this muscle group should be focused on during rehab

Answer 7

Quads

Question 8

You can isolate the VMO during exercise. T or F

Answer 8

FALSE

Question 9

type of exercises that are best for specific strengthening of isolated weakened muscles

Answer 9

open kinetic chain

Question 10

who is at greater risk of ACL injury? men or women

Answer 10

women

• q angle
• quads > hamstrings
• genu valgum

Question 11

% of patients that report a crack or pop with ACL injury

Answer 11

80%

Question 12

strongest ligament in the knee

Answer 12

PCL

Question 13

LCL injury may also have associated injuries with this nerve

Answer 13

peroneal nerve

Question 14

to dislocate a knee this # of ligaments are most likely torn

Answer 14

at least 3 ligaments

Question 15

heat weakens collagen in ligaments and tendons. T or F

Answer 15

True

Question 16

If a patient presents with quad lag following surgery, they should be using a AD to prevent falls until the quad is strengthened further. T or F

Answer 16

True

Question 17

normal quad : hamstring ratio

Answer 17

3:2

Question 18

a good quad : hamstring ratio for someone following ACL tear

Answer 18

1 : 1 ratio - don’t have weak quads!! just strengthen hamstrings more to match

Question 19

priority for rehab following ACL reconstruction

Answer 19

gain full active knee extension

Question 20

autograft vs allograft

Answer 20

auto- patients own tissue

allo- graft from a cadaver

Question 21

with all grafting procedures, return to sport takes……

Answer 21

6-9 months

Question 22

graft strength is the highest….

Answer 22

immediately following surgery/reconstruction

Question 23

a graft/reconstruction is the weakest from weeks…..

Answer 23

6-16

Question 24

degree of knee flexion that causes co-contraction of the quads and hamstrings

Answer 24

30 degrees

Question 25

quadriceps neutral position that should not be exceed into further extension immediately following ACL repair for OKC exercises

Answer 25

60-75

Question 26

knee flexion position that should be avoided immediately following PCL repair for OKC hamstring exercises

Answer 26

beyond 90 degrees flexion

Question 27

2 safe ways/exercises to put low strain on the ACL

Answer 27

stairs | bicycling

Question 28

a torn ACL does not heal. T or F

Answer 28

True

Question 29

the mechanism of most PCL injuries is a fall on a _____ knee with the foot and ankle ________

Answer 29

flexed knee w/ foot and ankle plantarflexed

Question 30

most commonly injured ligament in the knee

Answer 30

MCL

Question 31

the emphasis on rehab immediately following an acute knee injury or surgery is .....

Answer 31

regaining motor control

Question 32

muscle that is best suited to control medial rotation of the femur and can prevent valgus stress at the knee

Answer 32

gluteus maximus

Question 33

If MCL and ACL are both injured simultaneously, the MCL may be repaired first while ACL is managed conservatively. T or F

Answer 33

True

Question 34

If the medial meniscus and ACL are injured simultaneously, should the ACL be reconstructed alongside the medial meniscus?

Answer 34

Yes

Question 35

ACL contraindicated range for OKC extension exercises

Answer 35

0-40

Question 36

PCL contraindicated range for OKC flexion exercises

Answer 36

60-135