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The Brachial Plexus
Origin, Muscles, Roots
16
Anatomy
Professional
08/23/2009

Additional Anatomy Flashcards

 


 

Cards

Term
Dorsal Scapular Nerve
Definition

From: roots

 

Roots: C5

 

Muscles: rhomboid muscles and levator scapulae

Term
Long Thoracic Nerve
Definition

From: roots

 

Roots: C5, C6, C7

 

Muscles: serratus anterior

Term
Nerve to the Subclavius
Definition

From: superior trunk

 

Roots: C5, C6

 

Muscles: Subclavius Muscle

Term
Suprascapular Nerve
Definition

From: Superior trunk

 

Roots: C5, C6

 

Muscles: supraspinatus and infraspinatus

Term
Lateral Pectoral Nerve
Definition

From: Lateral Cord

 

Roots: C5, C6, C7

 

Muscles: pectoralis major (by communicating with medial pectoral nerve)

Term
Musculocutaneous Nerve
Definition

From: lateral cord

 

Roots: C5, C6, C7

 

Muscles: coracobrachialis, brachialis and biceps brachii

 

-becomes the lateral cutaneous nerve of the forearm

Term
Lateral root of the median nerve
Definition

From: lateral cord

 

Roots: C5, C6, C7

 

Muscles: fibers to the median nerve

Term
Upper Subscapular Nerve
Definition

From: posterior cord

 

Roots: C5, C6

 

Muscles: subscapularis (upper part)

Term

Thoracodorsal Nerve

(middle subscapular nerve)

Definition

From: posterior cord

 

Roots: C6, C7, C8

 

Muscles: Latissimus dorsi

Term
Lower Subscapular Nerve
Definition

From: Posterior cord

 

Roots: C5, C6

 

Muscles: Subscapularis (lower part) and teres major

Term
Axillary Nerve
Definition

From: posterior cord

 

Roots: C5, C6

 

Muscles: anterior branch supplies deltoid and a small area of overlying skin, posterior branch supplies teres minor and deltoid muscles

 

-posterior branch becomes upper lateral cutaneous nerve of the arm

Term
Radial Nerve
Definition

From: posterior cord

 

Roots: C5, 6, 7, 8 and T1

 

Muscles: triceps brachii, supinator, anconeus, the extensor muscles of the forearm, and brachoradialis

 

Term
Medial Pectoral Nerve
Definition

From: medial cord

 

Roots: C8, T1

 

Muscles: pectoralis major and minor

Term
Medial brachial cutaneous
Definition

From: medial cord

 

Roots: C8, T1

 

goes to medial and front skin of the arm

Term
Medial Antebrachial Cutaneous nerve
Definition

From: Medial cord

 

Roots: C8, T1

 

Goes to medial skin of the forearm

Term
Ulnar nerve
Definition

From: medial cord

 

Roots: C8, T1

 

Muscles: flexor carpi ulnaris, the medial two bellies of flexor digitorum profundus, most of the small muscles of the hand

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