Brachial Plexus

Question 1

What are the roots of the brachial plexus?

Answer 1

C5-T1

Question 2

Where do the long thoracic nerves derive from on the brachial plexus

Answer 2

C5-C7

Question 3

The superior upper trunk of the brachial plexus is formed by what roots?

Answer 3

C5, C6

Question 4

The medial trunk of the brachial plexus is formed by:

Answer 4

C7

Question 5

The inferior trunk of the brachial plexus is formed by:

Answer 5

C8, T1

Question 6

The medial pectoral nerve travels to which muscles?

Answer 6

Rhomboid major minor

Question 7

The medial brachial cutaneous nerves travels to where?

Answer 7

The medial aspect of the arm

Question 8

The medial antebrachial cutaneous nerve travels to where?

Answer 8

The medial aspect of the forearm

Question 9

The lateral pectoral nerve innervates which muscles?

Answer 9

The pec. major

Question 10

The upper subscapular and lower subscapular nerve innervates the….?

Answer 10

Subscapularis

Question 11

The thoracodorsal nerve innervates…..?

Answer 11

latissimus dorsi

Question 12

Deltoid

Answer 12

Main Innervation: C5…..C6

Peripheral Nerve: Axillary

Question 13

Biceps Brachii

Answer 13

Main Innervation: C6…..C5

Peripheral Nerve: Musculocutaneous

Question 14

Extensor Carpi Radialis Longus

Answer 14

Main Innervation: C6….C7

Peripheral Nerve: Radial

Question 15

Flexor Carpi Radialis

Answer 15

Main Innervation: C7….C6

Peripheral Nerve: Median

Question 16

Triceps Brachii

Answer 16

Main Innervation: C7…..C6,C8

Peripheral Nerve: Radial

Question 17

Extensor Digitorum

Answer 17

Main Innervation: C7…..C8

Peripheral Nerve: Posterior Interosseous

Question 18

Flexor Digitorum Profundus

Answer 18

Main Innervation: C8…..C7,T1

Peripheral Nerve: Median

Question 19

Interossei

Answer 19

Main Innervation: T1….C8

Peripheral Nerve: Deep branch of ulnar

Question 20

Flexor Digitorum Superficialis

Answer 20

Main Innervation: C8…..C7,T1

Peripheral Nerve: Median