Lower Limb Joints Flashcards

1
Q

What are ball and socket joints

A

one bone has a smooth hemispherical head that fits into a cuplike socket on the other
- hip and shoulder joints

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2
Q

What are condylar (ellipsoid) joints

A

exhibit an oval convex surface on one bone that fits into a complementary - shaped depression on the other
- radiocarpal joint at the wrist and MCP joints

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3
Q

What are saddle joints

A

both bones have saddle shaped surface - concave in one direction and convex in the other -trapeziometacarpal joint

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4
Q

What are plane joints

A

bone surfaces are flat or relatively concave and convex, bones slide over each other but have limited movement
- carpal and tarsal joints

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5
Q

What are hinge joints

A

Monaxial joints moving freely in one direction with very little movement in any of the others
- elbow, knee joints

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6
Q

What are pivot joints

A

Monaxial joints in which bones spin on its longitudinal axis.
radioulnar joint at the elbow

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7
Q

What is the hip joint referred to as

A

Coxal joint

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8
Q

What is the fibrocartilage in the hip called

A

acetabular labrum

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9
Q

Ligaments that support the coxal joint

A

anterior

  • iliofemoral
  • pubofemoral

posterior
-ischiofemoral

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10
Q

What ligament arises from the fovea capitis of the femur and attaches to the lower margin of the acetabulum

A

Ligamentum teres (round ligament)

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11
Q

Which ligament bridges a gap in the inferior margin of the acetabular labrum?

A

transverse acetabular ligament

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12
Q

3 joints at the knee

A

patellofemoral
tibiofemoral
superior tibiofibular

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13
Q

Classification of tibiofemoral joint

A

primarily hinge joint - but allows slight internal and external rotation when flexed

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