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Anatomy > Brachium Muscles > Flashcards

Brachium Muscles Flashcards

1
Q

What are the Origins of Biceps Brachii

A

Long Head - Supraglenoid Tubercle of the Scapula (passes through Intertubercular groove and crosses the G/H joint within the joint capsule to its origin)
Short Head - Coracoid Process of Scapula

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2
Q

What are the Insertions of Biceps Brachii

A

Radial Tuberosity and Fascia of the Forearm via the Bicipital Aponeurosis

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3
Q

What are the Actions of Biceps Brachii

A

Supinated Forearm, Flexes Elbow, Flexes G/H

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4
Q

What is the Innervation of Biceps Brachii

A

Musculocutaneous Nerve

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5
Q

What is the Location of Brachialis

A

Deep to Biceps Brachii

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6
Q

What is the Origin of Brachialis

A

Distal 1/2 of the Anterior surface of the Humerus (just inferior to the Deltoid Tuberosity)

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7
Q

What are the Insertions of Brachialis

A

Coronoid Process and Tuberosity of Ulna

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8
Q

What is the Innervation of Brachialis

A

Musculocutaneous Nerve

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9
Q

What is the Location of Coracobrachialis

A

Superomedial aspect of the Humerus

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10
Q

What is the Origin of Coracobrachialis

A

Coracoid Process of the Scapula

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11
Q

What is the Insertion of Coracobrachialis

A

Middle 1/3 of the Medial aspect of the Humerus

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12
Q

What are the Actions of Coracobrachialis

A

Assists Flexion and Adduction of G/H

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13
Q

What is the Innervation of Coracobrachialis

A

Musculocutaneous Nerve

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14
Q

What is the Origin of Anconeus

A

Lateral Humeral Epicondyle

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15
Q

What are the Insertions of Anconeus

A

Olecranon and Posterior Proximal surface of Ulna

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16
Q

What is the Action of Anconeus

A

Assists with Extension of the Forearm at the Elbow

17
Q

What is the Innervation of Anconeus

A

Radial Nerve

18
Q

What are the Origins of Triceps Brachii

A

Long Head - Infraglenoid Tubercle of Scapula
Lateral Head - Posterior aspect of Humerus; Superior to Radial Groove
Medial Head - Posterior aspect of Humerus; Inferior to Radial Groove

19
Q

What are the Insertions of Triceps Brachii

A

Olecranon Process of Ulna and Posterior Forearm Fascia

20
Q

What are the Actions of Triceps Brachii

A

Extend Forearm at Elbow, Long Head assists with Extension at G/H Joint

21
Q

What is the Innervation of Triceps Brachii

A

Radial Nerve

Anatomy (30 decks)

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