Which of the following techniques would best broaden, separate, and align scar tissue?

Deep transverse friction is the most effective technique for broadening, separating, and aligning scar tissue due to its specific application and mechanical effects on tissue. This technique involves applying pressure across the fibers of the scar tissue in a perpendicular direction. The repetitive and localized pressure helps to break up adhesions, restore tissue mobility, and encourage proper alignment of collagen fibers.

By focusing on the dense, fibrous nature of the scar tissue, deep transverse friction helps to remodel the tissue, leading to improved flexibility and decreased discomfort. This technique is particularly useful in rehabilitative settings where scar tissue may limit movement or cause pain.

In contrast, while options like Swedish massage may promote relaxation and enhance circulation, they do not specifically target scar tissue in the same way that deep transverse friction does. Myofascial release could help improve overall fascial flexibility, but it may not apply the direct, focused pressure necessary to effectively manipulate scar tissue. Petmassage, while beneficial for specific contexts, is not designed for addressing scar tissue specifically.