origins, insertions, and innervations
This muscle originates at the AIIS
What is the Rectus femoris
This muscle performs hip flexion and knee extension
What is the rectus femoris?
The two bones that primarily form the knee joint
What is the Tibia and femur
What ligament prevents excessive anterior translation of the tibia on the femur?
Anterior Cruciate Ligament - ACL
This muscle group inserts a the tibial tuberosity
What is the Quadriceps Femoris group
This muscle group collectively performs knee flexion
What are the hamstrings?
name of the bone that sits anterior to the knee joint and aids in mechanical advantage?
What is the Patella
What ligament is commonly injured with a valgus force to the knee?
Medial Collateral Ligament - MCL
These muscles collectively are innervated by the Sciatic nerve
What are the Hamstrings
This muscle performs hip extension and knee flexion
What is the Biceps femoris
What is the structural classification of the tibiofemoral joint
Synovial hinge joint
The posterior cruciate ligament (PCL) prevents what motion at the knee
Posterior translation of the tibia on the femur
The semitendinosus inserts here.
What is the Pes Anserinus on the medial shaft of the tibia?
This muscle is a knee flexor and known as "the key that unlocks the knee" , because of it's vital role in unlocking the knee from an extended position.
What is the Popliteus?
What is the normal Q-angle range for males and females?
Males: ~10-15°, Females: ~15-20°
What ligament resists excessive varus forces at the knee?
Lateral Collateral Ligament - LCL)
This nerve innervates the Quadriceps
What is the femoral nerve? L2,3,4
Which muscle is most responsible for preventing lateral patellar tracking?
What is the Vastus Medialis Oblique - VMO
What is included in the terrible triad
medial meniscus, MCL, ACL