Principle of overload - states that a greater than normal stress or load on the body is required for training adaption to take place.
Principle of Progression - states that the body should experience a gradual increase in workload.
Principle of Specificity - states that sports training should be relevant and appropriate to the sport for which the individual is training in order to produce a training effect.
Principle of Individuality - states that no two persons are the same and their rate of adoption to the same workload differs.
Principle of Reversibility - any adaption that takes place as a result of training will be reversed when you stop training.