To improve your Butterfly, practice the dolphin leg kick whilst on your side with or without a small float. Keep your feet together and start to drive the legs from your hips and keep your toes pointed. Take a good breath after every second leg kick to help create good timing.
"It is not only useful for staff who are experienced but a valuable tool for those subject staff who have to take teams."
The variety of sessions across sports - sometimes we steal session ideas from one sport and use them with another.
As we enter the business end of the competition, we take a look at the remaining eight teams and the key talking points surrounding each side.