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Human Structure - Anatomy - Upper Extremity - Nervous
Brachial Plexus Names & Innervation Levels, Nervous Anatomy
36
Anatomy
Graduate
09/07/2009

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Cards

Term
C5 thru T1 are called what within the Brachial Plexus?
Definition
The Roots
Term
Superior, Middle, and Inferior are what section of the Brachial Plexus?
Definition
The Trunks
Term
The 3 Posterior Divisions join to form what cord?
Definition
Posterior Cord
Term
The anterior divisions from the Superior and Middle Trunks forms what?
Definition
The Lateral Cord
Term
The Anterior Division from the Inferior Trunk forms what?
Definition
The Medial Cord
Term
Name the terminal branch formed from the Medial and Lateral Cords
Definition
The Median Nerve
Term
The two nerves formed from the Posterior Cord are what?
Definition
The Axillary and Radial Nerve
Term
In addition to the median nerve, the Lateral Cord forms what additional terminal branch?
Definition
The Musculocutaneous Nerve
Term
In addition to the median nerve, the Medial Cord forms what additional terminal branch?
Definition
The Ulnar Nerve
Term
The Superior Trunk has what Spinal Level(s)?
Definition
C5 & C6
Term
The Middle Trunk has what Spinal Level(s)?
Definition
C7
Term
The Inferior Trunk contains what Spinal Level(s)?
Definition
C8 & T1
Term
Anterior Divisions innervate what section of the limb?
Definition
Anterior (Flexor) Compartment
Term
Posterior Divisions innervate what section of the limb?
Definition
Posterior (Extensor) Compartment
Term
What spinal levels are present in the Lateral Cord?
Definition
C5 thru C7
Term
What spinal levels are present in the Posterior Cord?
Definition
C5 thru T1
Term
What spinal levels are present in the Medial Cord?
Definition
C8 and T1
Term
What spinal levels are present in the Musculocutaneous Nerve?
Definition
C5 thru C7
Term
What spinal levels are present in the Lateral Root of the Median Nerve?
Definition
C5 thru C7
Term
What spinal levels are present in the Ulnar Nerve?
Definition
C8 & T1
Term
What spinal levels are present in the Medial Root of the Median Nerve?
Definition
C8 & T1
Term
What spinal levels are present in the Axillary Nerve?
Definition
C5 & C6
Term
What spinal levels are present in the Radial Nerve?
Definition
C5 thru T1
Term
What spinal levels are present in the Median Nerve?
Definition
C5 thru T1
Term
Name the branch(es) off the Lateral Cord and their spinal levels.
Definition
Lateral Pectoral Nerve (C5 thru C7)
Term
Name the branch(es) off the Posterior Cord and their spinal levels.
Definition

Upper Subscapular (C5 & C6)

 

Thoracodorsal (C6 thru C8)

 

Lower Subscapular (C5 & C6)

Term
Name the branch(es) off the Medial Cord and their spinal levels.
Definition

Medial Pectoral Nerve (C8 & T1)

 

Medial Brachial Cutaneous Nerve (C8 & T1)

 

Medial Antebrachial Cutaneous Nerve (C8 & T1)

Term
A prefixed Brachial Plexus contains what spinal levels?
Definition
C4 thru C8
Term
A postfixed Brachial Plexus contains what spinal levels?
Definition
C6 thru T2
Term
Name the branch(es) off the Superior Trunk and their spinal levels.
Definition

Suprascapular (C5 & C6)

 

Nerve to Subclavius (C5 & C6)

Term
Name the branch(es) off the C5 Root.
Definition

Dorsal Scapular

 

Long Thoracic Nerve

Term
The Long Thoracic Nerve is formed by contributions from what Spinal Roots?
Definition
C5 thru C7
Term

Name the Major Nerve Pictured:

[image] 

Definition
Radial Nerve
Term

Name the Nerve Pictured:

[image]

Definition
Median Nerve
Term

Name the Nerve Pictured:

[image]

Definition
Ulnar Nerve
Term

Name the Nerves Pictured Below

[image]

Definition

A. Median Nerve

B. Ulnar Nerve

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