Brachial plexus:

 Branches of posterior cord

" ULTRA "

• Upper subscapular nerve
• Lower subscapular nerve
• Thoracodorsal nerve
• Radial nerve
• Axillary nerve

Branches of lateral cord

"LML"

• Lateral pectoral nerve
• Musculocutaneous nerve
• Lateral root of median nerve

Branches of Medical Cord

 M4U

Medial Pectoral nerve, 
Medial Cutaneous N. of Arm,  
Medial Cutaneous N. of Forearm,
Medial root of Median N.
Ulnar Nerve