Most of us know what happens in a heart attack or in a stroke: the blood supply to a segment of the heart or brain gets clogged, leading to tissue damage. You may or may not know that certain regions of the skeleton can also suffer the same process: the blood supply to a segment of the bone is blocked, resulting in a “bone attack”, or a “bone stroke”. … More Avascular Necrosis: When the Shoulder Humeral Head Suffers a Stroke