A balanced diet and good personal hygiene is essential to keeping healthy. The energy from your food influences your weight and sporting performance.
There are 3 basic somatotypes (body types). Everyone tends towards one although few people are totally one or another.
Your body type, shape and composition will determine how effective you are at sport.
A person's ideal body weight depends on their body type, age, gender, height, the size of their bones, and their muscle size. These factors also affect their participation and performance in sport.