Knee Anatomy
What structure attaches to the tibial tuberosity?
The quadriceps tendon crosses the patella and turns into the patellar tendon, which attaches to the tibial tuberosity
Name the 4 muscles that make up the Quadriceps muscle group and the action they do.
Rectus Femoris, Vastus Medialis, Vastus Intermedius, and Vastus Lateralis. Extension
If you were to sprain a ligament of the knee what 4 ligaments could you sprain?
Anterior Cruciate Ligament, Posterior Cruciate Ligament, Medial Collateral Ligament, and Lateral Collateral Ligament
What is the most common MOI for patellar tendonitis?
Repetitive Jumping or bending and extending the knee
List the 6 phases of Rehabilitation in the correct order.
Pain management, ROM, Proprioception, Strengthening, Endurance, and Sport Specific Activity
What 2 structures act as cushioning and shock absorber in the knee?
Medial and Lateral Meniscus
Name the muscles that make up the Hamstring muscle group and what action they do.
Biceps Femoris, Semitendinosus, and Semimembranosus. Flexion
What “stress” is the MOI for a LCL sprain, and what “stress” is the MOI for a MCL sprain?
MCL: Valgus stress
LCL: Verus stress
What anatomical structure increases in size with Osgood Schlatter Disease?
Tibial Tuberosity
An Anterior Drawer special test, tests the integrity of what ligament?
Anterior Cruciate Ligament
What Bones make up the knee joint?
Femur, Tibia, and Patella
What 3 muscle tendons make up the Pes Anserine?
Semitendinosus, Sartorius, and Gracilis
What 3 acute injuries of the knee have similar MOI’s?
ACL sprain, a Meniscal tear, and patellar dislocation/subluxation.
What is another S/S other than inflammation and pain associated with Chondromalacia?
Popping and feeling grinding
Give 3 examples of strengthening exercises for the knee.
Straight Leg Raise, Knee Extensions, Wall Squats, Hamstring Curls
Name the 4 ligaments of the knee we learned in this unit.
Medial Collateral Ligament, Lateral Collateral Ligament, Anterior Cruciate Ligament, and Posterior Cruciate Ligament
What is the strongest muscle group of the body?
Quadriceps Muscle Group
In what knee injury is it imperative to check distal pulse?
Dislocations
What is inflammation?
Irritation and swelling of a specific anatomical structure.
Give 3 example of exercises that would increase ROM of the knee.
Heel slides, Wall Slides, Bike
If you fell on your knee, hitting your patella on the ground, what bursa could be injured?
Prepatellar Bursa
What is the etiology of a strain?
Muscle fibers are either stretched while contracting or they contract too forcefully and the muscle fibers
What injury requires immediate activation of EMS?
Tibiofemoral Joint (knee joint) Dislocation
If an athlete has grade 4 chondromalacia what has occurred?
Erosion and exposure of the subchondral bone.
In order to perform a thorough palpation during an evaluation what structures need to be palpated? Name all 10!
MCL, LCL, medial and lateral joint line, posterior knee, patellar tendon, quadriceps tendon, patella, fibular head, tibial plateau, and medial and lateral femoral condyles.