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.
The average pitching speed for a 14 year old is 68 mph. The median pitching speed for a 14 year old is 68 mph. The mode pitching speed for a 14 year old is 68 mph. The range of pitching speed for a 14 year old is 63 - 73 mph.he average pitching speed for a 14 year old is 68 mph. The median pitching speed for a 14 year old is 68 mph. The mode pitching speed for a 14 year old is 68 mph. The range of pitching speed for a 14 year old is 63 - 73 mph.