Impingement syndrome: Impingement syndrome takes place in the event the tendons on the rotator cuff turn into pinched or compressed between the bones of the shoulder. This can lead to inflammation, pain, and limited motion in the arm. Indeed, very poor posture can contribute to arm pain between the elbow https://www.theorthopaedicandpainpractice.com/service_tag/burning-pain-in-upper-right-arm-between-elbow-and-shoulder/