Chapter 14: Knee Injuries
Symptoms for a dislocated patella
- extreme pain - obvious deformity - unable to move
Name the 4 bones that make up the knee joint
- femur - tibia - fibula - patella
______________________ &___________________ are common mechanisms for a posterior cruciate ligament (PCL) sprain
- hyper-extension - fall on flexed knee
___________________ is a common symptom that is unique for a posterior cruciate ligament (PCL)
- sulcus sign
The __________________ is injured when an athlete twists on planted foot
Anterior Cruciate Ligament
____________________ provides the most stability in the knee
Anterior Cruciate Ligament
The ___________ keeps the tibia from moving forward on the femur
Anterior Cruciate Ligament (ACL)
Osteochondritis Dissecans is what?
Bone underneath the cartilage dies from lack of blood flow
When patella comes out of the femoral groove it is a ____________________________________
Dislocated Patella
________________________________ when strong quadriceps contraction with valgus position
Dislocated Patella
The Medical term for knock knees is also known as _________________
Genu Valgus
Bow Legged is also known as ________________
Genu Varus
Describe what it means to have patella tracking problems
It's when the knee cap does not move in the right direction when quads contract and relax
Provides stability to the outside aspect of the knee is the _________________
Lateral Collateral Ligament (LCL)
Blow to the inside of the leg and varus force are common mechanisms of a ________________________________
Lateral Collateral Ligament Sprain
The ________________________ is injured when an athlete receives a blow to the outside of the leg (valgus force)
Medial Collateral Ligament
The _________________________ provides stability to the inside aspect of the knee
Medial Collateral Ligament (MCL)
Pain/Swelling along the joint line, clicking, catching, popping, locking, pain with twisting or squatting, and decreased ROM are all common symptoms of a ________________________________
Meniscal Tear
Twisting knee with foot planted is a common mechanism for a ________________
Meniscal Tear
____________________ provides cushion so the femur and tibia don't rub against each other
Meniscus
________________________________ causes pain on the tibial tuberosity due to a growth spurt
Osgood-Schlatter Disease
_______________________ occurs when there is too much meniscus damage
Osteoarthritis
Pain over patellar tendon is known as __________________
Patellar Tendonitis
The ____________________________________________________ is often caused by patella tracking problems
Patellar-Femoral Syndrome
The __________________________________ is a combined muscle of the Gracilis, sartorius, and semitendinosus
Pes Anserine Tendonitis
When an athlete falls on flexed knee it is known as ____________________________
Posterior Cruciate Ligament Sprain
The Posterior Cruciate Ligament (PCL) does what?
Prevents tibia from moving backwards on the femur
What can happen to the patella when someone has patella femoral syndrome?
The cartilage behind the patella softens and wears away
Term given for an injury where ACL, MCL, and medial meniscus are all torn is known as ______________________
Unhappy Triad
_______________________________ results when a valgus force with foot planted
Unhappy Triad
Patella Femoral Syndrome is also known as _______________________
chondromalacia
__________________ is a common symptom for any knee ligament sprain
instability
Patellar Tendonitis is also known as ______________________________
jumper's knee