LL - Knee Flashcards
Which biomechanical abnormality presents with the knees touching and the feet apart (knock-kneed)?
Genu valgum
In what position is rotation possible at the knee?
Knee flexion
Which muscle(s) can produce internal tibia rotation?
Agonist muscles:
- Semitendinosus
- semimembranosus
Synergist muscles:
- Gracilis
- Sartorius
What is the maximal range of knee flexion and in what position does it occur?
140/160°
Hip flexed/Hip extended
When moving from extension into flexion, in which direction do the menisci move?
Posteriorly
Name the facets on the patellar surface of the patellofemoral joint.
Medial facet
Lateral facet
What are the two different types of exercises (in terms of weight bearing) used commonly for the rehabilitation of anterior knee joint pain?
Non-weight-bearing (OKC)
Weight-bearing (CKC)
What are the functions of the medial and lateral menisci?
Joint stability
Shock absorption
Load distribution across the joint
Joint lubrication
Considering the slide and roll demonstrated in the picture, which type of movement is shown below?
CKC Knee extension
What are the origin and insertion of the Anterior Cruciate Ligament?
Origin: Anterior intercondylar area of the tibia
Insertion: Posterior and medial surface of the lateral condyle of the femur
Which cruciate ligament prevents the anterior translation of femur on tibia?
ACL
What are the insertions of the medial collateral ligament?
Origin: Medial femoral condyle
Insertion: Medial tibial condyle + medial meniscus, medial surface of the capsule and tibial shaft
Which force (direction of movement) will injure the lateral collateral ligament?
Varus
Will a greater or lesser sulcus angle predispose a patient to patella dislocation? (angle between medial and lateral sulci)
Greater
What is the normal range of q-angle for a female?
15-17°
