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.
Pitching Wedge. Virtually every set of golf clubs come with a pitching wedge, which is a club with between 44 and 49 degrees of loft to the clubface. The pitching wedge is designed to be able to get under a golf ball on contact, and these clubs are used to hit shots from distances of between 110 and 125 yards.