athletes need to be fit. in order to achieve this, they need to master the health and skill related components of fitness. i recently did an assignment about this. the skill related components of fitness are
balance
power
co-ordination
agility
reaction time
speed
the health related components of fitness are
cardiovascular endurance
flexibilyt
muscular strength
muscular endurance
body composition
in order to become a good athlete, you need to be good at atleast 7 or so of the above components