Knee movements Flashcards
1
Q
which Muscls casue extension of the knee?
A
Quadriceps femoris
Vastus lateralis
vastus medialis
vastus intermeidus
rectus femori
2
Q
which mucles cause flexion of the knee?
A
Posteriro compartmetn felxors
short and long head of biceps femopris- biceps tendon (fibula)
semimembranosus, semtendosusu—–> tibia
3
Q
why does the Knee lock when extened?
A
due to medial rotation of the femoral condyles on the tibial plataeu
secures joint in 5-10 degreen hyperextension al;l ligaments are tauutt
4
Q
what muscle contracts to unlockl the knee?
A
the popliteus contacts 0- rotating the femur laterally so the flexion of the knee occurs
5
Q
Dezcribe the rang of movements of the knee
A