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3200 Principles of Human Movement > Ch 6 Elbow & Radioulnar > Flashcards

Ch 6 Elbow & Radioulnar Flashcards

1
Q

Memorize pictures

A

On powerpoint

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2
Q

Is radius or ulna larger proximally?

A

Ulna

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3
Q

Is radius or Ulna larger distally?

A

Radius

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4
Q

What are the attachment sites for elbow and radioulnar joint muscles?

A

Scapula, humerus, radius, and ulna

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5
Q

Elbow is known as what type of joint? Why?

A

Ginglymus ; thought of as 2 joints

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6
Q

Elbow motions primarily involvement movement at the

A

Humeroulnar

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7
Q

Learn the humerus photos

A
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8
Q

What are the elbow movements? What are the radioulnar movements?

A

Flexion and extension ; pronation and supination

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9
Q

What are the anterior elbow and radioulnar muscles?

A

Biceps brachii, brachialis, brachioradialis, pronator Teres, pronator quadratus

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10
Q

What are the posterior elbow and radioulnar muscles?

A

Triceps brachii, anconeus, supinator

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11
Q

What is the origin of biceps brachii? What is the insertion? (Origin same as coracobrachialis)

A

Coracoid process & supraglenoid tubercle ; radial tuberosity and bicipital aponeurosis

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12
Q

What are the actions of biceps brachii?

A

Elbow flexion

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13
Q

What is the origin of brachialis? The insertion?

A

Distal anterior portion of humerus ; coranoid process of ulna

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14
Q

What is the action of brachialis?

A

Elbow flexion

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15
Q

What is the origin of brachioradialis? What is the insertion?

A

Distal 2/3 of lateral condyloid (also called supracondylar) ridge of humerus ; lateral distal end of radius at styloid process

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16
Q

What is the action of brachioradialis?

A

Wrist/forearm pronation and supination

17
Q

What are the origins of triceps brachii?

A

Infraglenoid tubercle of scapula ; upper half posterior surface of humerus ; distal 2/3 posterior surface of humerus

18
Q

What is the insertion of triceps brachii?

A

Olecranon process of ulna

19
Q

What is the action of triceps brachii?

A

Elbow extension

20
Q

What is the origin of anconeus? What is the insertion?

A

Lateral condole of humerus on posterior surface ; upper ulna on posterior surface

21
Q

What is the action of anconeus?

A

Elbow extension

22
Q

What is the origin of pronator Teres?

A

Distal part of medial condyloid ridge of humerus AND medial side of proximal ulna

23
Q

What is the insertion of pronator Teres?

A

Middle third of lateral surface of radius

24
Q

What is the action of pronator Teres?

A

Wrist pronation

25
Q

What is the origin of pronator quadratus?
What is the insertion?

A

Distal fourth of anterior ulna ; distal fourth of anterior radius

26
Q

What is the action of pronator quadratus?

A

Wrist/forearm pronation

27
Q

What are the origins of supinator?

A

Lateral epicondyle of humerus ; neighboring posterior ulnar

28
Q

What is the insertion of supinator?

A

Lateral surface of proximal radius

29
Q

What is the action of supinator?

A

Supination of forearm

3200 Principles of Human Movement (3 decks)

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