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Principles of Training: Overload variations
“If your only tool is a hammer, then everything becomes a nail”
If your only way of overloading an athlete to cause adaptation is adding weight, then you are limiting what they can achieve. The overload principle is often defined by external load only.
Not every sport, or every athlete needs to be loaded in the same way. One way of defining overload (as I learnt from Jim Radcliffe on GAIN 2011) is shown here:
Power= Force x distance/ time.
You can get more powerful by increasing force, or distance, or reducing the time to apply force or to cover distance.
The 3 overload variations being:
- Resistive: using gravity or external resistance.
- Temporal: do the same work but faster, with less rest, or less contact time.
- Spatial: train outside of the platform, small variations leading to big ones.
When planning training programmes, it is best to focus on one aspect at a time, whilst maintaining the others.
A fencer needs to be able to cover big distances, fast, with little or no external resistance, except gravity and air. It makes sense to work on spatial and temporal overload, rather than resistive.
Conversely, a tight head prop has to overcome massive external resistance in both the scrum and in the contact areas. It makes sense to concentrate on resistive overload, rather than spatial overload (although the latter is always amusing).
The relationship between the three
Whilst there needs to be a different emphasis at any one time, all 3 are inter related. It is diffcult to cover more distance (spatial) without the ability to produce force. That can be aided by resistive training. Similarly, having great strength, without the ability to move fast, or cover distance is useless in the sporting environment.
The problem occurs in training environments where one is the focus to the exclusion of all else. One current example is that British fencers are being told they have to be able to squat and deadlift twice their bodyweight! This shows a complete lack of imagination and understanding of what the sport requires.
Yes, most fencers could be stronger, and need to be, but that has to be applicable to what their sporting requirements are.
When setting out your plan, look at the athlete’s strengths and weaknesses, look at the sport requirements and adjust accordingly.
The 3 types of overload may help you start to systemise what you do and why.
“The best way to get better?…. is to get smarter!” Jim Radcliffe.
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