brachial plexus Flashcards
is a nerve plexus that is involved in the motor and sensory innervation of the upper limb
brachial plexus
Sensory innervation
to the skin and deep structures
motor innervation
to the muscles
somatic motor GSE?
SKELETAL M
autonomic vasomotor nerves GVE
smooth m blood vessels
autonomic secrstomotor nerves
sweat glands
formation of brachial plexus
C5-T1
BP roots
lie in the neck
BP trunks
passes lower part of the posterior traingular of the neck
BP division
lie behind the middle 1/3 of clavicle
BP cords
lie in the axilla close to the axillary artery
BP terminal branches
starting from the arm
branches of roots
Dorsal scapular n
long thoracic n
long thoracic nerve injury
winged scapula
superior trunk branches
suprascapular nerve C5-6
nerve to subclavius
lateral cord n
lateral pectoralis major
musculocutaneous nerve
lateral root of median n and medial root of median n unit to form
median nerve
medial cord
medial pectoral n
medial cutaneous of arm
medial cutaneous nerve of forearm
ulnar nerve
medial root of median nerve
posteriior cord
upper lower subscapular n
thoracodorsal nerv middle subscapular nerve
axillary n
radial n
