Knee Anatomy
Knee Injuries
Function
Identification
Misc.
100
Prevents anterior translation of the tibia on the femur
What is the Anterior Cruciate Ligament?
100
Collateral ligament more commonly sprained
Medial Collateral Ligament
100
Prevents posterior translation of the tibia on the femur
PCL
100
Anterior Cruciate Ligament
100
How many articulations are in the knee joint
3
200
Largest Sesamoid bone in the body
What is the patella
200
When the back of the patella has softening cartilage causing pain
What is chondromalacia patella
200
Lateral stabilizer of the knee joint
What is the LCL?
200
Lateral Collateral Ligament
200
Mechanism of an ACL tear
Rotating on a planted foot
300
Main muscle responsible for knee extension
What is the rectus femoris?
300
A lateral patella dislocation is can be caused by weakness in THIS muscle
What is the vastus medialis?
300
Fibrocartilage, provides shock absorption
Menisci
300
Lateral Condyle
300
2 types of meniscal tears
What are bucket handle, flap, longitudinal, transverse, torn horn
400
Responsible for the "Screw Home" Mechanism
What is the popliteus?
400
Grafts that can be used for ACL reconstruction
What is Patella Tendon, Quad tendon, Hamstring Tendon, Cadaver
400
Main muscle responsible for knee flexion
Biceps Femoris
400
Medial Meniscus
400
The reason females are more susceptible to ACL injury
Wider Q-angle, Hormones, Smaller structures, weak hamstrings/strong quads
500
Hamstring muscle(s) on the medial aspect of the leg
What is semimembranosus and semitendinosus?
500
Structures involved in the unhappy triad
What are the ACL, MCL, and medial mensicus?
500
Can cause paralysis if severed
Common Peroneal Nerve
500
Quad Tendon
500
What is IT Band Syndrome?
When the IT Band snaps over the lateral condyle causing irritation and inflammation