Is called clavicle reductioneither shoulder width reductionand although it sounds radical, it exists and is practiced: it consists of removing a segment of the clavicle bone – the bony bar that connects the sternum to the shoulder – to reduce shoulder width. The result is permanent and can achieve a reduction of between two and three centimeters per sidewhich results in a visible change in the silhouette of the upper torso.
The surgery is neither new nor exclusive to a particular group. It is performed both on cisgender women who are looking for a narrower silhouette and—and this explains much of its visibility—on trans womenfor whom shoulder width is usually one of the most difficult physical traits to modify with hormones. Unlike breasts, waist or body fat distribution, bone structure does not respond to hormone therapy. Therefore, for many people in the process of transition, this surgery represents a significant step towards a body image more aligned with their identity.
In this context, the procedure is part of what is known as body feminization: a set of surgical interventions—which may also include rib remodeling, hip augmentation, or facial surgeries—aimed at modifying the physical structure. There is also the reverse version: clavicle lengtheningindicated for trans men looking for broader shoulders, although it is even more rare.
The intervention is carried out under general anesthesia and lasts between one and two hours. The surgeon makes a small incision over the clavicle, resects the calculated bone fragment, and fixes the remaining ends with metal plates and screws. After the operation, the patient must wear a sling for two weeks, avoid exercise for at least six and wait until four months to see the final results.
It is not without risks. As it is a central bone in the mechanics of the shoulder, excessive resection can compromise arm mobility. That is why specialists establish a conservative limit: do not exceed the 3.5 centimeters extraction per side. Beyond that threshold, the effects on joint function are not sufficiently studied. Surgeons trained to perform it are scarce worldwide, which makes it a niche proceduretechnically demanding and far from being a massive practice.

