Muscles Used in the Backstroke. Even though you're swimming on your back, you use your abdominals in addition to the muscles of your back -- the latissimus dorsi and spinus erectors -- to support you as you flow through the water during the backstroke.
The average distance for a pitching wedge is 130 to 135 yards; for a sand wedge 115 to 120 yards; and for lob wedges 75 to 95 yards.
What is the distance of a cornhole playing field? The distance of the entire cornhole playing field, which is comprised of several parts, is 35 feet. That distance includes the pitcher's boxes as well as the court between the pitchers' boxes.