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Musculoskeletal > Elbow Joint Classifications > Flashcards

Elbow Joint Classifications Flashcards

Based on Lindsey's table

1
Q

What type of joint is the humeroulnar joint?

A

Uniaxial hinge joint

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2
Q

Describe the arthrokinematics of the humeroulnar joint.

A

Concave-on-convex

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3
Q

What is the capsular pattern for the humeroulnar joint?

A

Flexion>extension

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4
Q

What is the closed-packed position of the humeroulnar joint?

A

Extension and supination

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5
Q

What is the open-packed position of the humeroulnar joint?

A

70 degrees of elbow flexion and 10 degrees of supination

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6
Q

What type of joint is the humeroradial (radiocapitellar) joint?

A

Uniaxial hinge joint

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7
Q

Describe the arthokinematics of the humeroradial (radiocapitellar) joint.

A

Concave-on-convex

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8
Q

What is the capsular pattern for the humeroradial (radiocapitellar) joint?

A

Flexion > Extension

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9
Q

What is the closed-packed position for the humeroradial (radiocapitellar) joint?

A

Elbow flexed to 90 degrees

Forearm supinated to 5 degrees

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10
Q

What is the open-packed position for the humeroradial (radiocapitellar) joint?

A

Full extension and full supination

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11
Q

What type of joint is the proximal radioulnar joint?

A

Uniaxial pivot joint

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12
Q

Describe the arthrokinematics of the proximal radioulnar joint.

A

Convex-on-concave

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13
Q

What is the capsular pattern of the proximal radioulnar joint?

A

Equal limitation of supination and pronation

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14
Q

What is the closed-packed position of the proximal radioulnar joint?

A

5 degrees of supination

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15
Q

What is the open-packed position of the proximal radioulnar joint?

A

35 degrees of supination

70 degrees of elbow flexion

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Musculoskeletal (7 decks)

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