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Are Kettlebells Or Dumbbells Superior For Gym Based Strength Gains?

By Russ Howe


It's a war which has raged on for the best part of ten years but, thanks to recent scientific research, today you will get a definite answer to the question: Kettlebells vs dumbbells - which method will give you the best results?

Before we do that, it is important to point out that using both approaches is always going to be far superior to limiting yourself to just one style. You will often hear people swearing by the use of just one protocol, all this does is limit your ability on the gym floor as each style comes with it's own plus points and negatives, therefore a combination of the two styles alongside other forms of training, such as yoga, interval training and body weight movements, would be optimal for achieving the goals set by most individuals.

However, a recent study pitted the kettlebell against free weights in a study to determine which method would return the greatest strength gains overall. The results were quite profound.

First of all, we had one study group performing a six week program of kettlebell swings, goblet squats and accelerated swings with a 16 kg weight in a bid to improve squat strength, power clean strength and vertical leap power.

The free weights group performed a six week program of barbell squat, power clean and high pull using around 80% of their one rep max on each exercise.

The results clearly showed that the free weight group enjoyed much greater gains in strength than the kettlebell group. First of all, the barbell/dumbbell group noticed a massive increase in their squat strength of 15%, as well as an increase in power clean strength of 10% and a vertical leap boost of 4%.

The other group, meanwhile, only enjoyed a 5% increase in squat strength, with a 4% boost to their power clean and, somewhat surprisingly, only a 1% increase in their vertical leap strength. The last statistic in particular is quite interesting, given that this piece of kit is often touted as the superior method for increasing explosive movements, such as vertical leaping...

If you want to base your training program purely on the scientific findings, then free weights clearly return the greatest strength gains.

However, the optimal method for building a better body through effective fat loss and lean muscle building should include a variety of techniques. Although this particular study from California State University, Fullerton returned results heavily in favor of resistance training, this does not mean you should eliminate every other type of exercise from your program.

Truth be told, you would do nicely to take small pieces of various techniques and combine them in to your own training routine until you find something which works for you. There are certain things which you can do with a kettlebell that you simply can not accomplish as conveniently with free weights, the swing for example.

So, who wins the battle of kettlebells vs dumbbells? If the latest scientific research is to be used as a barometer to end the argument then you have to jump on the side of free weights.




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