med bridge #1

Question 1

what percentage of knee compressive force does the meniscus absorb

Answer 1

50-70% of the knee compressive forces

Question 2

What percentage of individuals with symptomatic OA had meniscus teats

Answer 2

91%

Question 3

what is the typical mechanism of injury for meniscus tears

Answer 3

• non-contact
• closed chain shear
• typically the less mobile medial meniscus
• trauma related typically occurs with MCL and ACL

Question 4

what are the special test you can use to confirm meniscus test

Answer 4

1. Joint line tenderness -use tibial rotation
2. McMurray - supine NWB grind test using tibial rotation
3. Thessaly - WB tibial rotation at multiple angles 5 and 20 degree
4. Apley - prone grind test at 90 degree flexion

Question 5

What are the Ottawa knee rules

Answer 5

Rule for determining the need for x-ray in acute knee injury

1. age less than 55
2. isolated tenderness to patella
3. tenderness at the head of the fibula
4. inability to flex the knee to 90 degree
5. Inability to bear weight (4 steps)

Question 6

Ober’s test

Answer 6

Side lying look at ITB tightness

- perform with knee straight and knee flexed

Question 7

Summaries the current evidence for treatment of ITB syndrome

Answer 7

Limited data with most data falling in the expert opinion category

Question 8

what patellar facet has the greatest loading

Answer 8

medial in the range of 30-70 degrees

Question 9

How does the thickness of the hyaline cartilage of the patella compare to other joints of the body

Answer 9

the patella has the thickest cartilage

Question 10

anterior and lateral knee pain is typical found in what patient population

Answer 10

younger sporting patients

Question 11

what sports typically develop patellar tendonopathy

Answer 11

Jumping based sports - 40-50% volleyball, soccer and basketball

Question 12

How long should an eccentric exericse program take to produce the desired results

Answer 12

at least 12 weeks