LKnative - Musculocutaneous nerve block 
Periosteal innervation:
Musculocutaneous nerve (blue), radial nerve (purple), suprascapular nerve (grey colour of scapula and proximal humerus), axillary nerve (green), ulnar nerve (yellow)
8 – Periosteal innervation of the musculocutaneous nerve
The only musculocutaneous periosteal innervation of the upper limb is the shaft of the humerus

Musculocutaneous nerve (blue), radial nerve (purple), suprascapular nerve (grey colour of scapula and proximal humerus), axillary nerve (green), ulnar nerve (yellow)
