LKnative - Radial nerve block 
Periosteal innervation:
Radial nerve (purple), suprascapular nerve (grey colour of scapula and proximal humerus), musculocutaneous (blue), axillary nerve (green), ulnar nerve (yellow)
9 – Periosteal innervation by the radial nerve
The periosteal innervation of the radial nerve is:
– the proximal humerus distal to the surgical collum
– the lateral epicondyle of the humerus
– the anterior aspect of the proximal radial head
– the dorsal side of the radius and ulna
– the dorsal side of the radial 2 1/2 digits and metacarpal bones (see next page)
– a variable part of the anterior side of the wrist bones (see next page)
Radial nerve (purple), suprascapular nerve (grey colour of scapula and proximal humerus), musculocutaneous (blue), axillary nerve (green), ulnar nerve (yellow)