Final Exam Chapter 10: The Knee Flashcards
What is he largest joint in the body?
The knee
What type of bone is the patella?
Sesmoid bone
Why is the inner menisci hard to heal?
Poor blood supply to it
What is more commonly sprained ACL or PCL?
ACL
What is more commonly torn MCL or LCL?
MCL
What is Valgus?
Force coming from the outside to the inside
-Tears MCL
What is the bursa for?
Fluid filled sacs to absorb shock and limit the friction at the joint
What is stronger Quads or Hamstrings?
Quads?
Rectus femoris OINA?
QUAD
O: Anterior inferior iliac spine
I: Tibial tuberosity
N: Femoral nerve
A: Flexes HIP, Extends the knee
Vastus lateralis OINA?
QUAD
O: Upper half of linear aspera
I: Tibial tuberosity
N: Femoral nerve
A: Extends knee
vastus intermedius OINA? QUAD
O: Upper 2/3 of femur
I: Tibial tuberosity
N: Femoral nerve
A: Extends knee
Vastus medialis OINA? QUAD
O: Linea aspera
I: Tibial tuberosity
N: Femoral nerve
A: Extends knee
Biceps femoris Short Head OINA?
O: lower 1/2 of linear aspera
I: Head of fibular
N: Common fibular nerve
A: Knee flexion
Popliteus OINA?
O: Lateral condyle of femur
I: Proximal tibia
N: Tibial nerve
A: Flex knee, INTERNAL ROTATION : UNLOCKING the knee
What are 4 synergists for knee extension?
- Rectus femoris
- Vastus lateralis
- Vastus intermedius
- Vastus medialis
