Anatomy
Which bone is NOT a part of the true knee joint?
Fibula
How many muscles are in the hamstrings?
3
What is the primary posterior stabilizer of the knee?
PCL
When a severe sprain occurs, the surrounding muscles grow weak and smaller causing what?
Atrophy
What's the normal range for Q angle?
15-20°
Where are the menisci located on top of?
Tibia
What movements occur at the knee?
LCL resists which forces in the knee?
Varus forces
This type of injury is seen with adolescents in relation to growth spurts.
Osgood-Schlatter
What special test shows the integrity of the MCL?
What is the space on the femur that the patella moves superior and inferior through?
Patellofemoral groove
Which muscles produce knee flexion?
Hamstrings, Gastroc, & Popliteus
What direction does the ACL prevent the tibia from moving?
Anterior
What structure is affected by a "Jumper's knee"?
Patellar Tendon Complex
Which special tests shows the integrity of the meniscus?
McMurry's
What is the purpose of articular cartilage?
to reduce friction of moving joints
Thigh muscles including Sartorious, Gracillis, and Semitendinosus, attach at what point of the tibia?
Pes Anserine
Where does the IT Band attach?
Gerdy's Tubercle
Which ligament is most commonly injured in a car wreck?
Which 2 special tests are used for the ACL integrity?
Anterior Drawer & Lachman's Test
List the 4 primary bursa in the knee
Suprapatellar, infrapatellar, Prepatellar, Pes Anserine
When a muscle contusion goes untreated, what can it potentially turn into?
Myositis Ossificans
Explain the zones of the meniscus.
Red - most vascular
Red/white - semi vascular
White - avascular
More vascular = more blood supply = quicker healing
Explain the difference in s/s of a Grade 1 MCL vs. a Grade 3 MCL
Grade 1 - Limited ROM, Joint Stiffness, Point Tender
Grade 3 - Complete laxity and inability to walk
Explain Genu Valgum vs. Genu Varum
Valgum - Knock kneed
Varum - bow legged