Distal Clavicle Resection of the Shoulder - #4k #3d #animation

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A distal clavicle resection, also known as a Mumford procedure, is a surgical procedure performed to remove a small portion of the distal (lateral) end of the clavicle, the part closest to the acromioclavicular (AC) joint. This procedure is commonly done to relieve pain and inflammation caused by conditions such as AC joint arthritis, chronic AC joint impingement, osteolysis of the distal clavicle (often seen in weightlifters), or post-traumatic AC joint issues.

During the procedure, the surgeon may use either an open approach with a small incision over the AC joint or an arthroscopic technique with tiny keyhole incisions. The soft tissues surrounding the joint, including the capsule and ligaments, may be partially released to improve access. The surgeon then removes approximately 5–10 mm (sometimes up to 15 mm) of the distal clavicle to eliminate bone-on-bone contact within the AC joint. Afterward, the bone edges are smoothed, and any inflamed or degenerated tissue is cleared before closing the incision.

Recovery from a distal clavicle resection varies but typically involves wearing a sling for comfort for a few days to a week, followed by early range of motion exercises to prevent stiffness. Gradual strengthening exercises are introduced over time, with most patients achieving full recovery within 6–12 weeks, depending on their activity level. This procedure is particularly effective at reducing pain and restoring shoulder function, making it a popular choice for athletes and active individuals experiencing persistent AC joint discomfort.