Elbow Joint Flashcards

1
Q

Brachialis

A

O: Distal half of humerus, anterior surface
I: Coronoid process and ulnar tuberosity
A: Elbow flexion
N: Musculocutaneous n. C5, C6

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2
Q

Biceps

A

O: LH: supraglenoid tubercle of scapula, SH:coracoid process of scapula
I:Radial tuberosity of radius
A:Elbow flexion, forarm supination
N: Musculocutaneous n. C5, C6

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3
Q

Brachioradialis

A

O:Lateral supracondylar ridge on the humerus
I: Styloid process of the radius
A: Elbow flexion
N: Radial n. C5, C6

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4
Q

Triceps

A

O: LH: infraglenoid tubercle of scapula, Lateral H: inferior to greater tubercle on posterior humerus, Medial H: posterior surface of humerus
I: Olecranon process of ulna
A: Elbow extension
N: Radial n. C6, C7, C8

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5
Q

Anconeus

A

O:Lateral epicondyle of humerus
I:Lateral and inferior to olecranon process of ulna
A:Assists in elbow extension
N: Radial n. C6, C7, C8

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6
Q

Pronator Teres

A

O:Medial epicondyle of humerus and coronoid process of ulna
I: Lateral aspect of radius a its midpoint
A:Forearm pronation, assistive in elbow flexion
N: Median n. C6, C7

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7
Q

Pronator Quadratus

A

O: Distal one-fourth of ulna
I: Distal one-fourth of radius
A: Forearm pronation
N: Median n. C8, T1

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8
Q

Supinator

A

O: Lateral epicondyle of humerus and adjacent ulna
I: Anterior surface of the proximal radius
A: Forearm supination
N: Radial n. C6

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