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chapter 19
knee and leg
15
Anatomy
Undergraduate 1
04/24/2015

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Term
the largest joint in the body
Definition
knee
Term
what kine of joint is the knee
Definition
synovial hinge joint
Term
the knee is made up of what two joints
Definition
tibiofemoral and patellofemoral
Term
the tibiofemoral joint is made up of _________&___________and allows what
Definition
large femoral condyle fitting onto small tibial condyle
lots of knee motion
Term
this reduces the friction between the moving parts
Definition
fat pads
Term
this reduces the compressie stress,stabilizing the joint during motion, lubricating the cartilage
Definition
menisci
Term
the menisci is ______except near their horns
Definition
aneural
Term
blood supply is greatest in a menisci near the
Definition
peripheral border
Term
with out a meniscus one will increase peak contact pressure by
Definition
230%
Term
meniscus supports about
Definition
1/2 the total load across the knee
Term
degree of flexion of knee
Definition
120-135
Term
degree of extension of knee
Definition
0
Term
internal/external rotation of knee also known
Definition
axial rotation
Term
when the femur externally rotates approximately 10 degrees with full knee extension is called
Definition
screw-home mechanism
Term
increases the mechanical advantage of the quad muscles by incresing the moment arm
Definition
patellofemoral joint
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