You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Dawbarn sign and explain in detail?
Subacromial bursitis Inflammation of the bursa that separates the superior surface of the supraspinatus tendon from the overlying coracoacromial ligament, acromion, coracoid (the acromial arch) and from the deep surface of the deltoid muscle. The subacromial bursa helps the movement of the supraspinatus tendon of the rotator cuff in activities such as overhead work.Dawbarn sign - the pain of subacromial bursitis disappears when the arm is abducted.(Refer: GS Kulkarni Textbook of Ohopedics, 3rd edition, pg no. 1357)