Patellofemoral pain syndrome Flashcards
What is the mechanism of injury?
Overuse/wear and tear
What patellar malalignments that occur?
- Lateral deviation
- Lateral tilt
- Q-angle
- Foot pronation
What muscle imbalances can cause this?
- Tight vastus lateralis
- Weak vastus medialis
What muscles should be worked on for flexibility?
- Quadriceps
- Hamstrings
- Iliotibial band
What effect does the Q-angle have?
Biomechanically induces lateral vector force
What effect does foot pronation have?
- Medially rotates the tibia
- Increases the lateral vector advantage of the vast us lateralis
- Increased lateral patellar excursion
What are some static stabilizers to work on?
- Patellofemoral ligaments
- Medial and lateral retinaculum
- Patellotibial ligaments
Patellofemoral joint reaction forces occur from a combination of?
- Articulation and contact area
- Resultant force vector between the quadriceps and patellar tendon
- Muscle contraction
In what position should open kinetic chain exercises be done?
Between 45-90 degrees
In what position should closed kinetic chain exercises be done?
A safe range should not exceed 90 degrees of flexion
What are some treatment options for strengthening the quadriceps?
- Electrical muscle stimulation
- Closed kinetic chain exercises: wall squats, leg press, lunges
- Open kinetic chai exercises: terminal extensions, high velocity isokinetic extensions
- Biofeedback
What muscles should be worked on for flexibility?
- Quadriceps
- Hamstrings
- Adductor magnus (medially displaced patella)
- Iliotibail band )laterally displaced patella)
What are some ways to stabilize the patella?
- Patellar stabilization braces
- Cho Pat straps: patellofemoral decompression
What is tendonitis?
Inflammation of the tendon due to microtears
What is tendonosis?
Collagen degeneration primarily at the boney attachment
What is the objective of treating tendonitis?
Control inflammation/adhesion
What is the objective of treating tendonosis?
Promote fibroblastic proliferation
What is the benefit of eccentric training?
Stimulates collagen foramtion
What are some eccentric exercises?
- Drop and stops
- Decline squats
