Aerobic power/cardio-vascular endurance.

... Aerobic power/cardio-vascular endurance I have chosen very high for this requirement of sport because although the football pitch itself is not very long the game will often go from end to end and the mid fielders will have to follow the game up and down the pitch for as much as 120 minutes if the game goes into extra time. On average a midfield player will run 9-13 kilometres a match which obviously requires a lot of endurance if the player wishes to keep a good pace of play throughout the game; yet not all of this is jogging, some is spent sprinting and some is spent walking. This is a pie chart that shows on average what percentage of that 9-13 kilometres is spent doing: (http://www.soccerperformance.org/playertypes/physdemandsprosoccer.htm) So if we say a midfield player had run 10 kilometres in a game on average 4.6 kilometres of that

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