Players will jump as high as the can on 1 leg, after they land they will bend down touching the floor, with the non jumping leg being extended behind.
Once they player is in that position they will explode up and jump off that leg again.
Players will continue to jump on the same leg for 30 seconds which is when they will switch legs.
"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.