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Knee joint (2.6) all Questions & answers solved
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Knee joint (2.6) all Questions & answers solved
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Knee joint (2.6)Bursae Fluid filled sacs that reduce friction and cushion joints
Meniscus Fibrocartilage pad located between the femur and tibia; acts as
a shock absorber, and stabilizes the joint
Medial collateral ligament (MCL) Attached to the medial meniscus, femur,
and tibia. Prevents excessive separation of the inside of knee joint. Injury to
the ligament is caused by impact from outside the knee.
Lateral collateral ligament (LCL) Attached to the lateral meniscus, femur,
and tibia. Prevents force coming from inside the knee. Injury to the ligament
is caused by sudden force to the outside of the knee or twisting of the knee
Anterior cruciate ligament (ACL) Avascular ligament attatched to the
femur and tibia. Prevents excessive anterior translation of the tibia. Injuries
are caused when the tibia slides to far forward, this can occur due to
planting and cutting, straight-leg landing, one-step-stop landing with the
knee hyperextended, and pivoting followed by a sudden deacceleration.
Posterior cruciate ligament (PCL) Thick ligament attatched to the fibia and
tibia. Prevents excessive posterior translation of the tibia. Injuries are
commonly caused by "blows" to the lateral side of the knee.
Unhappy triad ACL, MCL, medial meniscus are all dammaged
simultaneously. Often occurs when lateral force is applied when foot is
planted.
Patellofemoral syndrome (PFS) The gradual onset of anterior knee pain
or pain around the patella. Usually affects adolescents or young adults, and
women are often affected more than men. Pain is a result of increase or
misdirected forces between the kneecap and the femur
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