Each player must stand infront of a mat with a medicine ball held above their head.
He/she then squats, holding the ball above their head, then stands and throws the ball into the mattress as hard as they can.
When squating the back muscles must be kept straight.
When throwing this drill will work the player's arm flexors.
"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.