Nerves,Bursa, And Arch

Nerves:
Brachial Plexus
Network of nerves from 5th cervical vertebrae through 1st thoracic vertebrae
Shoulder complex and arm

Bursa:
Subacromonial
Location: between Coracoacromial arch and Glenohumeral capsule

Subdeltoid
Location: between middle deltoid and Glenohumeral capsule

Arch:
Coracoacromial Arch
(Curved space between Acromian and Corcoid