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I have to disagree with:
"If a skill is to be performed at a given speed, it should be practiced at that speed in order to facilitate the learning of the skill. By practicing a skill at a slower speed than would normally be used in the performance of the skill, you’re training your neuromuscular system to perform at a slower speed...
Consider fighters who throw punches while holding onto dumbbells. Will their punches with the dumbbells be faster, slower or the same as their punches without the dumbbells? Obviously, their punches are slower. Therefore, it follows that the use of weighted implements actually impairs the learning of sports skills."
Point is: In general it is true BUT without specifics this may be very misleading. If one uses weights that don't allow him to execute the move (a punch or combination of punches) than it will only make him slower. If one uses a weight that allows him to maintain almost the same speed of free hand movement (for less repetitions obviously) than his speed and explosiveness does improve.
It was used in Soviet and then Russian/Ukrainian/Uzbekistan etc., etc (U name it there were 15 republics in former USSR) Olympic boxing teams. One usually starts with 0.5 kg weight on each hand. Executes the punch/combination at maximum speed and perfect technique. Does it for say 30 - 60 sec and then (no brake/rest) fallows with same move without weights (but better wear same weight gloves that you're going to fight in). They usually used 1kg (2.2 lbs) weights and max 2kg (4.4lbs) for biggest guys. Point is - one chooses the weight that allows for very fast move - almost identical to freehand speed.
Trust me russians did a lot of studies and researches around their Olympic teams. They measured results very extensively. There's a great article about punching technique (% of strike power generated by feet/legs/hips, torso and arm. Precise description of movements etc.) and specific training aimed at increasing KO power. I'm just not ready to translate it in English... Sorry.
Same goes for plyo.
Yes I agree that one has to be careful to prevent injuries.
Thank You
Fedor
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