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MSK System > Elbow > Flashcards

Elbow Flashcards

1
Q

What type of joint is the elbow?

A

Hinge joint

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2
Q

What bones make up the elbow?

A

Humerus
Radius
Ulna

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3
Q

Review osteology

A

See notes

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4
Q

What is the function of ligaments in the elbow?

A

Strengthen the capsule medially and laterally

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5
Q

What are the ligaments in the elbow>

A

Ulnar collateral ligament
Radial collateral ligament
Annular ligament

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6
Q

What makes up the ulnar collateral ligament?

A

Three bands

  • anterior
  • posterior
  • oblique
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7
Q

What is the function of the oblique band of the ulnar collateral ligament?

A

Deepens the trochlea socket

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8
Q

What is the path of the radial collateral ligament?

A

From lateral epicondyle - blends with the annular ligament

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9
Q

What is the annular ligament?

A

Ligamentous collar

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10
Q

What are the attachments of the annular ligament?

A

To the ulnar either side of the radial notch

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11
Q

What is the function of the annular ligament?

A

Support the head of the radius

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12
Q

What movements are possible at the elbow?

A

Extension

Flexion

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13
Q

What muscles are responsible for elbow flexion?

A

Biceps brachii
Brachialis
Brachioradialis

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14
Q

What muscles are responsible for elbow extension?

A

Triceps brachii

Anconeus

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15
Q

What movements are possible in the forearm?

A

Pronation

Supination

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16
Q

What is responsible for forearm pronation?

A

Proximal and distal radius/ulna joints

Pronator teres
Pronator quadratus

17
Q

What is responsible for supination of the forearm?

A

Proximal and distal radius/ulna joints

Supinator
Biceps brachii

18
Q

What type of joints are the radioulnar joints?

A

Pivot joints

MSK System (25 decks)

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