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