The Benefits of a Trapezius Stretch. Part of the series: LS - Stretching & Exercise Techniques. Trapezius is the large muscle in your upper back, the muscle fibers go in a low of directions and I'll show you how to take the stress out of this muscle. Find out about the benefits of a trapezius stretch with help from an expert who is widely considered one of the leading health and fitness professionals in the state of Utah in this free video clip.
