Knee Flashcards
What stabilizes the knee joint laterally
- Biceps
- Gastrocnemius
- Iliotibial tract
- Fibular collateral ligaments
What stabilizes the knee joint medially
- Sartorius
- Gracilis
- Gastrocnemius
- Semitendinosis
- Semimembranosus
- Tibial collateral ligament
What is the most important muscle of the knee joint
Quadriceps femoris
What ligament prevents FORWARD sliding of the tibia on the femur
“posterior displacement”
ACL
What ligament is relaxed during flexion
ACL
What ligament prevents BACKWARD sliding of tibia on the femur
“anterior displacement”
PCL
What ligament is relaxed during extension
PCL
What ligament is damaged on forced ABduction of the tibia on femur?
MCL
What ligament is damaged on forced ADduction on femur
LCL
What are the components of the Unhappy Triad of O’ Donoghue
- ACL
- MCL
- Medial meniscus
A blow to the anterior aspect of the knee may tear only what knee ligament?
ACL
A blow to the lateral aspect of the knee can damage the __ ligament
Tibial Collateral
What are the components of the terrible triad?
- Tibial collateral ligament
- Medial meniscus
- ACL
what ligament are you resting in anterior drawer test?
ACL
What ligament are you testing in posterior drawer sign
PCm
[Genu valgum/varum]
tibia is bent or twisted laterally
medial/tibial collateral ligament
[Genu valgum/varum]
tibia is bent medially
lateral or fibular collateral ligament
A knee joint is a type of what joint?
Synovial
[Ankle joint]
What are the anterior ligaments of the ankle
- Anterior inferior talofibular
- Anterior talofibular
- Calcaneofibular
- Talonavicular
[Ankle joint]
What are the posterior ligaments of the ankle joint?
1, Posterior inferior talofibular
- Transverse
- Posterior talofibular
[Ankle joint]
Acute sprains on the lateral ankle can lead to ___
- Excessive inversion of the foot
2. Plantarflexion of the ankle
[Ankle joint]
Acute sprains on the medial ankle can lead to
- Excessive eversion
[Ankle joint]
Responsible for the inversion and eversion of the foot
subtalar
[Ankle joint]
Dorsiflexion and plantarflexion occurs in what joint?
- Ankle joint proper or talocrural joint
[Ankle joint]
Inversion and eversion occurs where?
subtalar joint