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.
According to (See Related Link) it is 127 feet 3 3/8 inches between home plate and second base. The distance between the pitcher's mound and home plate is 60 feet 6 inches. â¦ Therefore, the distance between the pitcher's mound and second base is 66 feet 7 3/8 inches.