Deck 18: Orthopedic Management of the Knee

Question 1

Which of the following is required to progress from the return-to-function phase to the return-to-sport phase following ACL reconstruction?

A) 75% or greater limb symmetry on isokinetic testing
B) Return to preinjury functional activities
C) Hamstring and quadriceps control
D) Full weight bearing with the use of one crutch

Answer 1

75% or greater limb symmetry on isokinetic testing

Question 2

Following an advanced ACL fixation,at what point can weight bearing begin?

A) Immediately
B) After 2 weeks
C) After 8 weeks
D) After 3 months

Answer 2

Immediately

Question 3

Which injury commonly occurs after a fall on a hyperflexed knee or a dashboard injury from a motor vehicle accident?

A) ACL
B) MCL
C) PCL
D) Meniscus

Answer 3

PCL

Question 4

Which of the following ligaments is generally torn more often in women is responsible for preventing hyperextension and extreme varus and rotational movements about the knee?

A) Anterior cruciate ligament (ACL)
B) Medial collateral ligament (MCL)
C) Posterior cruciate ligament (PCL)
D) Meniscus

Question 5

In the first phase of rehabilitation after ACL reconstruction,appropriate goals include which of the following?

A) Return to sport
B) Control of postoperative effusion and quadriceps reeducation
C) Return to normal activities of daily living (ADL)
D) Unilateral closed kinetic chain (CKC)exercises

Question 6

Which of the following exercises would you avoid in the immediate postoperative phase of ACL reconstruction rehabilitation?

A) Minisquats
B) Calf flexibility exercises
C) Prolonged standing or walking
D) Upper extremity cardiovasular exercises

Question 7

Which of the following exercises is used after clinical testing of the ACL shows the patient has achieved a 50% weight-bearing status?

A) Active and passive ROM
B) Leg press
C) Straight leg raising
D) Rocker board

Question 8

Which grade of ligament injury occurs when there is a partial loss of ligament fiber continuity and increased laxity of the joint?

A) Grade 1
B) Grade 2
C) Grade 3
D) Grade 4

Question 9

Which type of procedure uses the tissue of the patient to fix the injury?

A) Autograft
B) Allograft
C) Autogenous central-third bone-patellar tendon-bone autograft procedure
D) A and C only

Question 10

Which grade of ligament injury presents with a firm endpoint with no change in laxity compared with the contralateral knee?

A) Grade 1
B) Grade 2
C) Grade 3
D) Grade 4

Question 11

Which is the most accurate test for the integrity of the PCL?

A) Hughston jerk test
B) Pivot shift test
C) Anterior drawer test
D) Posterior drawer test

Question 12

Which grade of ligament injury occurs when the entire collagen ligament fiber bundles are completely torn?

A) Grade 1
B) Grade 2
C) Grade 3
D) Grade 4

Question 13

Which of the following are beneficial in treating a patient's pain and swelling following an acute ACL injury?

A) Electrical stimulation
B) Cryotherapy
C) Compression
D) All of the above

Question 14

Which of the following ligaments is most frequently injured in the knee?

A) ACL
B) MCL
C) PCL
D) Meniscus

Question 15

Which ligament functions as a primary restraint to posterior displacement of the tibia relative to the femur?

A) ACL
B) PCL
C) MCL
D) Meniscus

Question 16

In the immediate postoperative phase of ACL reconstruction rehabilitation,how often is the use of a compression cold wrap device recommended?

A) 20-30 minutes,several times per day
B) 10-20 minutes,once a day
C) 30 minutes,twice a day
D) 20 minutes,twice a week

Question 17

Which test is used to assess anteriolateral rotational instability?

A) Lachman test
B) Anterior drawer test
C) Pivot shift test
D) B and C

Question 18

When is an ACL graft substitute at its strongest?

A) 2 weeks before reconstruction
B) At reconstruction
C) 2 weeks after reconstruction
D) 1 month after reconstruction

Question 19

Which of the following is NOT a criterion for advancing from the immediate postoperative phase to the return-to-function phase of reconstructive rehabilitation?

A) ROM is 0° extension to 125° of flexion
B) Normal gait pattern
C) Ability to ascend an 8-inch step
D) A minimum of 10 weeks from the day of surgery

Question 20

Which of the following tests is used to describe the severity of an MCL sprain?

A) Valgus stress test
B) Pivot shift test
C) Anterior drawer test
D) Posterior drawer test