Broken collarbone: The pain from the broken collarbone can sense close to the shoulder, significantly when transferring your arm. Yes, weak posture can add to arm pain between the elbow and shoulder. Slouching or hunching might cause muscle imbalances and strain on the muscles and tendons while in the shoulder and https://www.theorthopaedicandpainpractice.com/service_tag/burning-pain-in-upper-right-arm-between-elbow-and-shoulder/