Biceps tendonitis, as mention over, leads to pain in the entrance with the elbow which will lengthen close to both sides. Commonly a result of overuse from heavy lifting or sports activities, inflammation and degeneration in the tendon results in pain. Find out more > What is it: A frozen shoulder https://www.theorthopaedicandpainpractice.com/service_tag/burning-pain-in-upper-right-arm-between-elbow-and-shoulder/