11/17 Anatomy of Brachial Plexis

Question 1

What are the spinal cord/nerve levels of the brachial plexus to innervate the upper limb

Answer 1

C5, C6, C7, C8, T1

Question 2

The Vertebra level of the C5 spinal cord/nerve

Answer 2

C5 Vert

Question 3

The Dermatome of the C5 spinal cord nerve

Answer 3

Lateral Shoulder

Question 4

The myotome of the spinal cord/nerve C5

Answer 4

Shoulder abduction

Question 5

The spinal cord/nerve C5 reflexes

Answer 5

Bicipital reflex

Question 6

The Vertebra level of the C6 spinal cord/nerve

Answer 6

C6 Vert

Question 7

The Dermatome of the C6 spinal cord nerve

Answer 7

Thumb (palmar surf)

Question 8

The myotome of the spinal cord/nerve C6

Answer 8

Elbow flexion

Question 9

The spinal cord/nerve C6 reflexes

Answer 9

Brachio-radialis reflex

Question 10

The Vertebra level of the C7 spinal cord/nerve

Answer 10

C7 Vert

Question 11

The Dermatome of the C7 spinal cord nerve

Answer 11

Middle Finger (palmer Serf)

Question 12

The myotome of the spinal cord/nerve C7

Answer 12

Elbow Extension/Finger extensors

Question 13

The spinal cord/nerve C7 reflexes

Answer 13

Triceps Reflex

Question 14

The Vertebra level of the C8 spinal cord/nerve

Answer 14

C7 Vert

Question 15

The Dermatome of the C8 spinal cord nerve

Answer 15

Pinky finger (palmer surf)

Question 16

The myotome of the spinal cord/nerve C8

Answer 16

Wrist/finger flexion

Question 17

The spinal cord/nerve C8 reflexes

Answer 17

N/A

Question 18

The Vertebra level of the T1 spinal cord/nerve

Answer 18

T1 Vert

Question 19

The Dermatome of the T1 spinal cord nerve

Answer 19

Medial elbow

Question 20

The myotome of the spinal cord/nerve T1

Answer 20

Wrist/finger flexion

Question 21

The spinal cord/nerve T1 reflexes

Answer 21

N/A

Question 22

Describe the Brachial Plexus

Answer 22

5 Roots; 3 Trunks; 6 Divisions; 3 Cords; 5 Branches

Question 23

what are the 5 roots of the brachial plexus?

Answer 23

C5-T1

Question 24

what are the 3 trunks of the brachial plexus

Answer 24

the Upper, Middle, and Lower

Question 25

What are the branches off the upper trunk of the brachial plexus?

Answer 25

The suprascapular above, and the subclavius below

Question 26

The 6 divisions of the brachial plexus

Answer 26

Anterior/Posterior from upper trunks; Anterior and posterior from middle trunk; the Anterior/Posterior of the Lower trunks

Question 27

the 3 cords of the brachial plexus

Answer 27

Lateral; Posterior; Medial

Question 28

what is the branch off the lateral cord of the brachial plexus?

Answer 28

the Lateral pectoral

Question 29

what are the three branches off the posterior cord of the brachial plexus

Answer 29

Upper, middle, lower subscaapular

Question 30

What are the three branches of the medial cord?

Answer 30

Medial pectoral; Medial cutaneous n. of arm; Medial cutaneous n. of forearm

Question 31

What are the 5 branches of the brachial plexus

Answer 31

Musculocutaneous; Median; Axillary; Radial; Ulner.

Question 32

Draw the brachial plexus

Answer 32

Question 33

THE HIGHER THE LESION…

Answer 33

THE MORE MORE PROXIMAL THE DERMITOME/MYOTOME

Question 34

The full table of Dermatomes, Myatomes, and nerves for the brachial plexus.

Answer 34

Question 35

The great Neurological levels lecture….

Answer 35

Question 36

What does every somite level have?

Answer 36

a spinal cord segment

that is associated with a vetebral cord segment

that is associated with a Spinal nerve element that gives us: dermatome and myotome component for the dorsal ramus (back) and a dermatomr and myatome component for the ventral ramus. (body wall and limbs)

Question 37

where do the spinal roots fuse and make the trunk?

Answer 37

not until they exit the vetebral foramen