The following table or figure may be downloaded to PowerPoint for personal use in teaching and presentations. This feature is available to all subscribers to the journal.

You MUST read and follow the guidelines at Request to Reproduce AJR Content if you are distributing or using AJR content beyond academic use (limited distribution, non-revenue producing, or educational purposes).

(Downloading may take up to 30 seconds.
If the slide opens in your browser, select File -> Save As to save it.)
Click on image to view larger version.

Fig. 1B —Sonograms of normal shoulder and shoulders with impingement. (See also Figs. S1A-S1C, videos, in supplemental data online.) 49-year-old man with soft-tissue impingement during dynamic sonography evaluation of shoulder. Coronal sonography view of left shoulder with subacromial impingement, during active elevation of arm halfway between flexion and abduction with hand in pronation, shows pooling of fluid in lateral aspect of subacromial-subdeltoid bursa (arrow) and mild impingement of supraspinatus tendon (arrowhead) as greater tuberosity (T) of humeral head approximates anterior one third of acromion (A). Note that humeral head remains in anatomic position, below acromion.