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Gross Anatomy Summer > Muscles of arm > Flashcards

Muscles of arm Flashcards

0
Q

Insertion of Bicep Brachii

A

Tuberosity of radius and fascia of forearm via bicipital aponeurosis

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1
Q

origin of Biceps brachii

A

Short head: tip of coraciod process of scaula

Long head: Supragleniod tubrecal of scapula

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2
Q

Innervation Of Bicep Brachii

A

Musculocuatneous Nerve C5 C6

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3
Q

Action of Bicep Brachii

A

Supinates forarm
When supinated is will flex elbow joint and flex shoulder joint
Short head will resist dislocation of shoulder

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4
Q

Origin of Brachialis

A

Distal half of anterior surface of humerus

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5
Q

Insertion of Brachialis

A

Coronoid process and tuberosity of ulna

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6
Q

Innervation of Bracialis

A

Musculocuatneous nerve C5 C6

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7
Q

Action of Brachialis

A

Flexes elbow joint in all positions

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8
Q

origin of Coracobrachialis

A

Tip of Coracoid process of scapula

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9
Q

Insertion of Coracobrachialis

A

middle third of medial surface of humerus

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10
Q

Innervation of Coracobrachialis

A

Musculocutaneous nerve C5 C6 C7

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11
Q

Action of Corcobrachialis

A

Flex shoulder
Adduct Shoulder
Resist dislocation of shoulder

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12
Q

Origin of Tricep Brachii

A

Long Head: Infraglenoid tubercal of scapula
Lateral Head: Posterior surface of humerus superior to radial groove
Medial Head: Posterior surface of humerus inferior to radial groove

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13
Q

Insertion of Tricep Brachii

A

Proximal end of olecranon of ulna and fascia of forearm

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14
Q

Innervation of Tricep Brachii

A

Radial Nerve C6 C7 C8

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15
Q

Action of Tricep Brachii

A

Chief extensor of elbow joint

Long head extends shoulder joint and resist dislocation of humerus

16
Q

Origin of Anconesus

A

Lateral epicondyle of humerus

17
Q

Insertion of Anconeus

A

Lateral surface of olecronon

superior part of posterior surface of ulna

18
Q

Innervation of Anconeus

A

Radial Nerve C7 C8 T1

19
Q

Action of Anconeus

A

Assist triceps in extending elbow joint
Stabalizes elbow joint
Abducts ulna during pronation

Gross Anatomy Summer (5 decks)

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