energy systems

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An Energy System Primer, Part 2

Being able to break down ATP for fuel is important for exercise, but also for living. We touched on its importance and how we access it for short-term, high intensity activities in our last post. In this post, we’re going to cover what happens if you want to exercise for longer than 6-10 seconds.   The ATP that we access for movements that last 6-10 seconds is not available in very large supplies. Estimates are something like 100 grams in...

Specificity: It’s Actually A Complicated Topic

agility training

The principle of specificity is an important one for the strength and conditioning coach, but it is also one that has limitations.  Traditionally specificity is defined as the body adapting to training according to how it is trained.  A very simplified example is that if you want to develop bigger biceps, you are probably going to have to perform exercises that train those muscles.  Relying on leg presses to increase your bicep size will probably be an exercise in frustration....

It’s Challenging to Make Conditioning Sport-Specific

In the last post on metabolic conditioning (see http://wp.me/p1XfMm-cV), we introduced the concept. We discussed the fact that conditioning is not speed endurance and that it is a fairly general quality (using classic periodization language). In this post, we’re going to discuss the challenges with making conditioning sport-specific. Making conditioning sport-specific has challenges.  I’d like to make several points with this: • It’s easy to drown in useless data. • Conditioning can be too much of a good thing. •...

Metabolic Conditioning: A General Quality?

Metabolic conditioning is one of the buzz words in modern strength and conditioning. This refers to training the energy pathways that are used in a sporting context, the idea being to make the athlete more resistant to fatigue so that he or she can perform the sport at a high level especially in the later parts of a game or match. In the good old days this was called getting in shape, but metabolic conditioning sounds both more scientific and...