Brachial Plexus Flashcards
What are the roots of the brachial plexus?
C5-T1
Where do the long thoracic nerves derive from on the brachial plexus
C5-C7
The superior upper trunk of the brachial plexus is formed by what roots?
C5, C6
The medial trunk of the brachial plexus is formed by:
C7
The inferior trunk of the brachial plexus is formed by:
C8, T1
The medial pectoral nerve travels to which muscles?
Rhomboid major minor
The medial brachial cutaneous nerves travels to where?
The medial aspect of the arm
The medial antebrachial cutaneous nerve travels to where?
The medial aspect of the forearm
The lateral pectoral nerve innervates which muscles?
The pec. major
The upper subscapular and lower subscapular nerve innervates the….?
Subscapularis
The thoracodorsal nerve innervates…..?
latissimus dorsi
Deltoid
Main Innervation: C5…..C6
Peripheral Nerve: Axillary
Biceps Brachii
Main Innervation: C6…..C5
Peripheral Nerve: Musculocutaneous
Extensor Carpi Radialis Longus
Main Innervation: C6….C7
Peripheral Nerve: Radial
Flexor Carpi Radialis
Main Innervation: C7….C6
Peripheral Nerve: Median
Triceps Brachii
Main Innervation: C7…..C6,C8
Peripheral Nerve: Radial
Extensor Digitorum
Main Innervation: C7…..C8
Peripheral Nerve: Posterior Interosseous
Flexor Digitorum Profundus
Main Innervation: C8…..C7,T1
Peripheral Nerve: Median
Interossei
Main Innervation: T1….C8
Peripheral Nerve: Deep branch of ulnar
Flexor Digitorum Superficialis
Main Innervation: C8…..C7,T1
Peripheral Nerve: Median
