Energy systems used in Futsal

The game of Futsal. I am going to analyse the movements made by a player in one game of futsal, I will also be finding out which energy systems are used and how much they are needed.
I will be collecting this information by watching and recording one player I can then see every move he makes in a game and record accurately.

In Futsal the field is very small so you need speed to get to a player or the ball, balan...