ANATOMY AND CLASSIFICATION OF JOINTS Flashcards

1
Q

What are the two types of fibrous joints?

A
  1. Cranial sutures
  2. Interosseous membrane (syndesmosis)
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2
Q

What is a sutural ligament?

A

Connective tissue that connects bone in the skull (not a lot of motion)

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3
Q

What is the interosseous membrane?

A

Connective tissue that connects bone in the forearm (radius and ulna)

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4
Q

What are the two types of cartilaginous joints?

A
  1. Primary or synchondrosis
  2. Secondary or symphysis
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5
Q

What is primary or synchondrosis joints?

A

Temporary cartilaginous union between bones

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6
Q

Where is primary or synchondrosis joints found?

A

In the long bone (cartilage of growth plate)

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7
Q

What is secondary or symphysis joints?

A

Permanent cartilaginous union between bones

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8
Q

Where is secondary or symphysis joints found?

A

In the vertebrae (intervertebral discs) and pelvic bone (pubic symphysis)

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9
Q

Where are synovial joints found?

A

In the hip, elbow, knee, wrist, and shoulder

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10
Q

What are synovial joints?

A

Bones are united by a capsule containing synovial fluid

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11
Q

Where is synovial fluid found?

A

In the synovial membrane

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12
Q

What is the most common joint in the body?

A

Synovial joints because they allow motion, especially the limbs

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13
Q

What is important about synovial joints?

A

Friction between cartilaginous surfaces covered with synovial fluid < than bearings covered with motor oil

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14
Q

What is a hinge joint?

A

Uniaxial and permit flexion and extension only

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15
Q

Where are hinge joints found?

A

In the elbow

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16
Q

What is a ball-and-socket joint?

A

Multiaxial; where a rounded head fits into a cavity, permitting movement on several axes

17
Q

Where are ball-and-socket joints found?

A

In the hip joint and shoulder

18
Q

What dictates range of movement in the synovial joint?

A

The shape of the articular surfaces