Tuesday, September 29, 2009

Will Towing Sleds Improve Overall Speed?

Training with towing sleds WILL NOT improve your overall speed but it will improve your speed acceleration. Speed acceleration training with towing sleds is not the place to start when training for acceleration.....it is an advanced training method that can cause more harm than good if your body is not ready for it.

Speed acceleration is important because you rarely reach maximum running speed during a game. So, the player who can accelerate the quickest will make the plays that win games.

Greek researchers found that athletes training with towing methods (sleds, tires, etc.) improved their running velocity over the first 20 meters (i.e. acceleration) but that overall maximum speed did not improve.

The researchers found that unresisted sprint training techniques improved maximum speed velocity more. So, resisted and unresisted training has a place in the overall speed training program. Finally, the researchers found that towing sleds that were too heavy forced the athletes to use bad running mechanics.

So, for developing acceleration speed in the first 20 meters, towing methods teach you to drive force into the ground, use arm drive and overcome gravity and ground forces.

If you use a tow sled that is too heavy, it will affect your running mechanics. Start with a sled about 10% of your bodyweight. As you progress, you can use heavier sleds as long as your running mechanics are correct.

What's the take home lesson? Experienced athletes with enough strength and power should use speed acceleration training with towing sleds.

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Mark Dilworth, BA, PES
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