A common part of swimming training is lifesaving and a version of the backstroke is used for lifesaving.[http://lifesaving.org.uk/swimming/training/Swim-strokes/backstroke.html] | A common part of swimming training is lifesaving and a version of the backstroke is used for lifesaving.[http://lifesaving.org.uk/swimming/training/Swim-strokes/backstroke.html] |