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Anatomy Exam 1
Brachial Plexus
65
Other
Graduate
12/10/2009

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Cards

Term
What is a spinal nerver plexus?
Definition
Interweaving of anterior rami from different spinal cord levels
Term
What do spinal nerve plexus' carry (type of signal)?
Definition
Motor and sensory innervation
Term
What nerves are the cervical plexus formed by?
Definition
C1 - C4 anterior rami
Term
What type of innervation does the cervial plexus provide & to what area?
Definition

Sensory to neck, shoulder, & back of head (mostly anterior skin of neck)

Motor to infrahyoid muscle (front of the neck)

Term

How many different plexus' make up the spinal nerve plexus?

 

Definition
4
Term

Name the different spinal nerve plexus

 

 [image]

Definition

1) Cervical

2) Brachial

3) Lumbar

4) Sacral

Term

What plexus does this show?

 

[image]

Definition
Cervical plexus
Term

What innervates these?

 

 [image]

Definition

1) Cervical plexus

2) Posterior rami

Term

What innervates this?

 

[image]

Definition
Cervical plexus
Term
What nerves form the lumbar plexus?
Definition

 

 

Nerves of L1-L4 of anterior rami

 

Term
What type of innervation does the lumbar plexus provide & to what area?
Definition

Sensory to anterior, medial & lateral thigh

Motor to anterior & medial compartments of the thigh

Term

What plexus is this?

 

 [image]

Definition
Lumbar plexus
Term

What plexus innervates this?

 

 [image]

Definition
Lumbar plexus
Term

What plexus innervates this?

 

[image]

Definition
Lumbar plexus
Term
What nerves form the sacral plexus?
Definition
Spinal nerves from L4-S4
Term
What type of innervation does the sacral provide & to what area?
Definition
  • Sensory to butt, genitals, posterior thigh, leg & foot
  • Motor to gluts, posterior thigh m & all of leg & foot
Term

What plexus innervates this?

 

[image]

Definition
Sacral plexus
Term

What plexus is this?

 

[image]

Definition
Brachial plexus
Term
Where do the roots of the brachial plexus originate from?
Definition
C5-T1
Term

How many trunks does the brachial plexus have?

 

What are the names of the trunks?

Definition

3

 

Upper

Middle

Lower

Term

How many divisions does the brachial plexus have?

 

What are the names of the divisions?

Definition

2

 

Anterior

Posterior

Term

Name the trunks

 

[image]

Definition

1) Upper

2) Middle

3) Lower

Term

Name the divisions

 

 [image]

Definition

1) Anterior

2) Posterior

Term

How many cords are there?

 

What are the names of the cords?

Definition

3

 

Lateral

Posterior

Medial

Term

Name the cords

 

[image]

Definition

1) Lateral

2) Posterior

3) Medial

Term

What is the name of this nerve?

 

[image]

Definition
Long thoracic nerve
Term
What nerves merge to form the long thoracic nerve?
Definition
C5-C7
Term
Where is the long thoracic nerve found?
Definition
Superficial to the serratus anterior
Term

What is the name of this nerve?

 

[image]

Definition
Long thoracic nerve
Term

What is the name of this nerve?

 

 [image]

Definition
Dorsal scapular nerve
Term
What 3 muscles does the dorsal scapular nerve innervate?
Definition

1) Levator scapulae

2) Rhomboid minor

3) Rohomboid major

Term

What nerve innervates these?

 

 [image]

Definition
Dorsal scapular nerve
Term

What nerve is this?

 

[image]

Definition
Suprascapular nerve
Term
What 2 muscles does the suprascapular nerve innervate?
Definition

1) Supraspinatus

2) Infraspinatus

Term

What nerve is this?

 

 [image]

Definition
Suprascapular nerve
Term

What nerve innervates these?

 

[image]

Definition
Suprascapular nerve
Term

What nerves are these?

 

 [image]

Definition
Pectoral nerves
Term
What nerves does the pectoral nerve innervate?
Definition
Pectoral major & minor
Term

What nerve innervates this?

 

[image]

Definition
Pectoral nerves
Term

What nerves are these?

 

[image]

Definition
Subscapular nerves
Term
What muscles do subscapular nerves innervate?
Definition

1) Subscapularis

2) Teres major

Term

What nerve is this?

 

[image]

Definition
Subscapular nerve
Term

What innervates these muscles?

 

 [image]

Definition
Subscapular nerves
Term
What is another name of the middle subscapular nerve?
Definition
Theracodorsal nerve
Term

What is the name of this nerve?

 

 [image]

Definition
Thoracodorasal nerve
Term

What nerve is this?

 

[image]

Definition
Thoracodorasal nerve
Term
What muscle does the thoracodorasal nerve innervate?
Definition
Latissimus dorsi
Term

What nerve innervates this?

 

[image]

Definition
Thoracodorasal nerve
Term

What nerve is this?

 

[image]

Definition
Axillary nerve
Term
What 2 muscles does the axillary nerve innervate?
Definition

1) Teres minor

2) Deltoid

Term

What nerve is this?

 

 [image]

Definition
Axillary nerve
Term

What nerve innervates these?

 

[image]

Definition
Axillary nerve
Term

What nerve is this?

 

[image]

Definition
Radial nerve
Term

What nerve is this?

 

[image]

Definition
Radial nerve
Term
What muscles/compartments do the radial nerves innervate?
Definition
Posterior of arm & forearm
Term

What nerve is this?

 

 [image]

Definition
Musculocutaneous nerve
Term
What muscles/compartments does the musculocutaneous nerve innervate?
Definition
The anterior compartments of the arm
Term

What nerve is this?

 

[image]

Definition
Median nerve
Term
What muscles/compartments do the median nerve innervate?
Definition
Anterior of forearm & thumb
Term

What nerve is this?

 

[image]

Definition
Ulnar nerve
Term
What muscles/compartments do the ulnar nerves innervate?
Definition
Forearm & the rest of the hand
Term

What nerve is this?

 

 [image]

Definition
Musculocutaneous nerve
Term

What nerve is this?

 

[image]

Definition
Median nerve
Term

What nerve is this?

 

[image]

Definition
Ulnar nerve
Term

What nerve innervates the blue?

 

What nerve innervates the orange?

 

What nerve innervates the pink?

 

[image]

Definition

Ulnar

 

Median

 

Radial

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