Which type of stitch requires backing hand technique?

The vertical mattress stitch is the type of stitch that requires a backing hand technique. The backing hand technique is used to secure the tissue margins and create tension during closure, which is particularly important for this stitch because it facilitates proper tissue apposition and enhances wound healing.

When employing the vertical mattress technique, the backing hand helps to maintain consistent tension on the suture line, allowing for a more precise placement of sutures while minimizing the risk of tissue eversion. This technique is crucial, especially in areas where a strong closure is necessary, such as on the skin or in deeper layers of tissue.

Understanding the mechanics of the vertical mattress stitch and how it benefits from the backing hand technique provides a clearer rationale for why it is required compared to other stitches, which may not necessitate this level of tension or support.