There are different goals for the wedge shot as for the full swing. One of the more drastic is the need to transfer speed. Finesse wedge shots are more about control. To help achieve that control, the body should coast through impact instead of bracing for it. For many golfers, coasting invokes a sense of ease and lack of effort. This is a perfect image for wedge shots. In this video, Tyler supports the terms with a couple AMM graphs to help you visualize the different goals.