Acceleration

Load to be lifted and accelerated

Force needed to lift the load and to accelerate it

Muscular tension necessary to produce the force

Load to be lifted and accelerated

Force needed to lift the load and to accelerate it

Muscular tension necessary to produce the force

It's important to comprehend that muscular tension is not the same thing as "the burn" or the feeling of the muscles tiring. Many peoples believe that a slow contraction puts a greater amount of tension on the muscles simply because they "feel" a burn or a tensed sensation, this is not the case!

In every concentric contraction (overcoming or lifting a load), lifting a certain weight with more acceleration will always produce a greater degree of intramuscular tension.

In an eccentric contraction (yielding or lowering a resistance) it's the opposite; the less acceleration you allow, the more intramuscular tension there will be.

Why the difference? Well, to lift a load faster you must produce more force. But to lower it faster requires you not to exert more force, but less (letting the bar go down doesn't require any force). During an eccentric contraction you need a greater force output to bring the bar down slowly, hence the increased tension.

So what does that give us concretely?

Turbo Charged Fitness With The Tabata System

Turbo Charged Fitness With The Tabata System

The Tabata workout system is a version of the High Intensity Interval Training program developed by Professor Izumi Tabata as training for Olympic speed skaters in 1996. The results studies conducted on the training program confirm that even a four minute cardiovascular exercise routine improves a persons level of fitness.

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