Muscles of the Brachium

Question 1

Name the Origin, Insertion, Action, and Nerve for:

Triceps Brachii Long Head

Answer 1

O: Infraglenoid Tubercle Scapula

I: Olecranon

A: Ext elbow, Ext (ADD) - GH

N: Radial N

Question 2

Name the Origin, Insertion, Action, and Nerve for:

Triceps Brachii Medial Head

Answer 2

O: Posterior Surface of Humerus

I: Olecranon

A: Ext elbow

N: Radial N

Question 3

Name the Origin, Insertion, Action, and Nerve for:

Triceps Brachii Lateral Head

Answer 3

O: Posterior Surface of Humerus

I: Olecranon

A: Ext Elbow

N: Radial N

Question 4

Name the Origin, Insertion, Action, and Nerve for:

Anconeus

Answer 4

O: Lateral Epicondyle humerus

I: Olecranon

A: Ext elbow

N: Radial N

Question 5

Name the Origin, Insertion, Action, and Nerve for:

Coracobrachilalis

Answer 5

O: Coracoid Process Scapula

I: Medial Humerus

A: Flex, ADD, Horiz ADD, (IR) -GH

N: Musculocutaneous N

Question 6

Name the Origin, Insertion, Action, and Nerve for:

Brachialis

Answer 6

O: Distal 1/2 Anterior Humerus

I: Ulnar Tuberosity

A: Flex Elbow

N: Musculocutaneous N

Question 7

Name the Origin, Insertion, Action, and Nerve for:

Biceps Brachii Long head

Answer 7

O: Supraglenoid Tubercle scapula

I: Radial Tuberosity

A: Flex - elbow
Flex, ABD, IR - GH
Supinate - RU

N: Musculocutaneous N

Question 8

Name the Origin, Insertion, Action, and Nerve for:

Biceps Brachii Short Head

Answer 8

O: Coracoid process scapula

I: Radial Tuberosity

A: Flex Elbow
Flex, ABD, IR - GH
Supinate RU

N: Musculocutaneous N