Brachial Plexus

Question 0

Structure Innervated by Dorsal Scapular Nerve

Answer 0

Rhomboidal

Question 1

Dorsal Scapular Nerve: Origin

Answer 1

Anterior Rami C5

Question 2

Long Thoracic Nerve: Origin

Answer 2

Anterior Rami C5, C6, C7

Question 3

Structure Innervated by Long Thoracic Nerve

Answer 3

Serratus Anterior

Question 4

Suprascapular Nerve: Origin

Answer 4

Superior Trunk

Fibers from C5, C6

Question 5

Structure Innervated by Suprascapular Nerve

Answer 5

Supraspinatus and Infraspinatus muscles

Question 6

Subclavian Nerve: Origin

Answer 6

Superior Trunk

Fibers from C5, C6

Question 7

Structure Innervated by. Subclavian Nerve

Answer 7

Subclavius

SCM

Question 8

Lateral Pectoral Nerve: Origin

Answer 8

Side branch of lateral cord

Fibers from C5, C6, C7

Question 9

Structure Innervated by Lateral Pectoral Nerve

Answer 9

Pec Major

Pec Minor

Question 10

Musculocutaneous Nerve: Origin

Answer 10

Terminal branch of lateral cord

Fibers from C5-C7

Question 11

Structures Innervated by Musculocutaneous Nerve

Answer 11

Anterior compartment of arm:
Coracobrachialis
Biceps Brachii
Brachialis

Question 12

Median Nerve: Origin

Answer 12

Terminal branch of lateral cord and medial cord
Forms:
- lateral root of median cord
- medial root of median cord

Question 13

Structures Innervated by Median Nerve

Answer 13

Anterior compartment of forearm

- except for FCU

Question 14

Medial Pectoral Nerve: Origin

Answer 14

Side branch of medial cord

Fibers from C8, T1

Question 15

Structures Innervated by Medial Pectoral Nerve

Answer 15

Pec Minor

Question 16

Medial Cutaneous Nerve of Arm

Medial Cutaneous Nerve of Forearm

Answer 16

Side branches of medial cord

Fibers from C8, T1

Question 17

Structures Innervated by Medial Cutaneous Nerve of Arm & Forearm

Answer 17

Medial skin of arm from medial epicondyle to olecrannon

Medial skin of forearm distal down to wrist

Question 18

Ulnar Nerve

Answer 18

Terminal Branch of Medial Cord

C8, T1

Question 19

Structure Innervated by Ulnar Nerve

Answer 19

Flexor Carpi Ulnaris

Ulnar half of digitorum profundus forearm

Question 20

Upper & Lower Subscapular Nerves: Origins

Answer 20

Side branch of posterior cord

Fibers from C5

Question 21

Structure Innervated by Upper & Lower Subscapular Nerves

Answer 21

Superior portion of subscapularis
Inferior portion of subscapularis
Inferior portion of Teres major

Question 22

Thoracodorsal Nerve: Origin

Answer 22

Side branch of posterior cord

Fibers from C6-C8

Question 23

Structures Innervated by Thoracodorsal Nerve

Answer 23

Lat Dorsi

Question 24

Axillary Nerve: Origin

Answer 24

Terminal Branch of posterior cord | Fibers from C5, C6

Question 25

Structure Innervated by Axillary Nerve

Answer 25

Glenohumeral joint Teres minor Deltoid muscles

Question 26

Radial Nerve: Origin

Answer 26

Terminal Branch of Posterior cord | Fibers from C5-T1

Question 27

Structures Innervated by Radial Nerve

Answer 27

All muscles in posterior compartment of arm & forearm