Train the human athlete first before the sports specific athlete.
Do not try too hard to replicate exact sporting movements as they will never be exact and if you train too much of one thing you will become relatively weaker in the actual game movement.
Much of the training will be compensating for the postural biases of the sport (to make you back to being a better human athlete).
Assess and train your weaker links. Audit your competences against those key to the sport and train the biggest gap.
Train more complicated movements than needed so it’s easy (less energy using) to do the real thing.
Seasonalise/periodise your training plan per year / event block cycle. This means focussing on a different aspect of fitness at different times for example you do not want to build strength at the same time as endurance.
All training must (progressively) convert into functional game skills. Olympic lifting […]