WITH 100% CORRECT ANSWERS
ASSURED.
⫸ Symmetrical joint involvement in RA. Answer: If it happens in one joint, will effect mirror
joint
⫸ Pannus formation. Answer: Synovium thickens
⫸ What is the most common joint disorder? Answer: OA
⫸ Osteophytes. Answer: "bony spurs", increase in bone density
⫸ OA Risk Factors. Answer: -Age
-Gender
-Obesity
-Previous joint trauma
-Activities
-Malalignment or deformities
⫸ PS Knee. Answer: Posterior Stabilizes- takes ACL & PCL
⫸ CR Knee. Answer: Cruciate Retaining- takes ACL only
⫸ What are you looking for in range of motion? Answer: 120 - 125 degrees of deep flexion and
20 degrees of internal rotation
⫸ TE Axis. Answer: Transepicondylar Axis
-Medial/ lateral axis in femur
, ⫸ Whiteside's Line. Answer: -Perpendicular to TE Axis
- Goes down patella groove
⫸ Movements of the knee. Answer: -Whiteside's Line
-TE Axis
-Patella Movement Arm
-Joint line
-Extensor Mechanism
-Femoral rollback
-Internal/external rotation
⫸ Varus deformity. Answer: Loss of medial joint space
⫸ Valgus deformity. Answer: loss of lateral joint space
⫸ Patella drift. Answer: lateral or medial
(typically lateral)
⫸ In lateral view on an x-ray, which condyle is shorter? Answer: Lateral condyle (medial
condyle will stick further out)
⫸
Ligament. Answer: Connects bone to bone
⫸ Tendon. Answer: Connects bone to muscle
⫸ Which set of muscles create knee extension? (i.e. extensor mechanism). Answer: Quadriceps
⫸ Which set of muscles create knee flexion? Answer: Hamstring
⫸ Patellofemoral Component. Answer: