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מסקולוסקלטל ליד > ELBOW > Flashcards

ELBOW Flashcards

1
Q

Joint Type

Humeral Ulnar Joint

A

Saddle Joint

Concave on Convex

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2
Q

Joint Type

Humeral Radial Joint

A

Ball and socket joint

• Concave head of radius is the socket

–capitulum of the humerus is the ball
Concave on Convex

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3
Q

Joint Type

Superior Radial-Ulnar Joint

A

Trochoid/Pivot Joint

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4
Q

Joint Type

Inferior Radial - Ulnar Joint

A

Trochoid/Pivot Joint

• What happens at the top is opposite of thte bottom

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5
Q

Syndesmosis in forearm

A

between radius and ulna with interosseus membrane

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6
Q

What arthrokinematics exist for the distal radial-ulnar joint during forearm pronation and supination? How do these compare to the arthrokinematics of the proximal radial-ulnar joint?

A

Proximal radio-ulnar joint: Convex radius on concave ulna

Distal radio-ulnar joint: Concave radius on convex ulna

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7
Q

Distal radio-ulnar joint

A

Articulations: ulnar notch of radius – concave

Articulates with articular disc whichis triangular shaped

Ulnar head – convex

Reinforced by anterior and posterior RU and interossues ligaments

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מסקולוסקלטל ליד (14 decks)

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