Knee

Question 1

Bones that articulate at the knee

Answer 1

Femur
Tibia
Patella

Question 2

Anterior Cruciate Ligament (ACL)

Answer 2

stops tibia sliding out of the joint capsule, anterior movement of the tibia in relation to the knee

Question 3

Posterior Cruciate Ligament (PCL)

Answer 3

stops posterior movement of the tibia in relation to the joint capsule

Question 4

Lateral Collateral Ligament (LCL)

Answer 4

prevents varus movements of the knee (bow-legged position)

Question 5

Medial Collateral Ligament (MCL)

Answer 5

prevents valgus movements of the knee (knock-knee position)

Question 6

Menisci

Answer 6

shock absorbers, lubricate the articulation of the joint, stabilise the joint, ensure contact from the 2 condyles of the femur are even

Question 7

Functions of the Patella

Answer 7

protect anterior structures from trauma
imbedded in the quadriceps and patella tendon
acts as a lever - increases the lever arm of the quadriceps

Question 8

Q angle

Answer 8

represents the angle of the line of pull of the quadriceps

Question 9

Chondromalacia Patella

Answer 9

runners knee
mistracking of the patella and damage to the patello-femoral cartilage

Question 10

Risk Factors of Chondromalacia Patella

Answer 10

Genu Valgum (high Q angle)
Pronation
High patella
Weak vastus medialis

Question 11

ACL Rupture

Answer 11

commonly non contact
cutting or landing movements - often very soon after ground contact