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Gross Anatomy > Muscles of the Arm: OINA > Flashcards

Muscles of the Arm: OINA Flashcards

1
Q

Biceps brachii long head: Origin

A

Supraglenoid tubercle of scapula

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2
Q

Biceps brachii short head: Origin

A

Coracoid process of the scapula

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3
Q

Coracobrachialis: Origin

A

Coracoid process of the scapula

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4
Q

Brachialis: Origin

A

Front of lower half of humerus

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5
Q

Triceps long head: Origin

A

Infraglenoid tubercle of scapula

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6
Q

Triceps lateral head: Origin

A

Upper half of posterior surface of shaft of humerus

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7
Q

Triceps medial head: Origin

A

Lower half of posterior surface of shaft of humerus

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8
Q

Biceps brachii long head: Insertion

A

Tuberosity of radius and bicipital aponeurosis into deep fascia of forearm

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9
Q

Biceps brachii short head: Insertion

A

Tuberosity of radius and bicipital aponeurosis into deep fascia of forearm

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10
Q

Coracobrachialis: Insertion

A

Medial aspect of shaft of humerus

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11
Q

Brachialis: Insertion

A

Coronoid process of ulna/ ulnar tuberosity

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12
Q

Triceps long head: Insertion

A

Olecranon process of ulna

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13
Q

Triceps lateral head: Insertion

A

Olecranon process of ulna

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14
Q

Triceps medial head: Insertion

A

Olecranon process of ulna

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15
Q

Biceps brachii long head: Innervation

A

Musculocutaneous nerve; C5, C6

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16
Q

Biceps brachii short head: Innervation

A

Musculocutaneous nerve; C5, C6

17
Q

Coracobrachialis: Innervation

A

Musculocutaneous nerve; C5, C6, C7

18
Q

Brachialis: Innervation

A

Musculocutaneous nerve; C5, C6

19
Q

Triceps long head: Innervation

A

Radial nerve; C6-8

20
Q

Triceps lateral head: Innervation

A

Radial nerve; C6-8

21
Q

Triceps medial head: Innervation

A

Radial nerve; C6-8

22
Q

Biceps brachii: Action

A

Supinator of forearm and flexor of elbow joint

23
Q

Coracobrachialis: Action

A

Flexes arm; weak adductor

24
Q

BRachialis: Action

A

Flexor of elbow joint

25
Q

Triceps: : Action

A

Extensor of elbow joint

Gross Anatomy (20 decks)

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