resisted sprints

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Resisted Sprints: It’s On The Legs!

Resisted sprinting has been around for awhile. The idea is to add resistance, to make the nervous system recruit more motor units during the sprinting motion, in the hopes that it will carry over to unressited sprinting. There are many ways to add resistance to athletes. Macadam et al, in the Journal of Strength and Conditioning Research, look at an interesting way which is to add the resistance to the athlete’s legs.   The authors studied 19 amateur rugby players...

Using Resisted Sprints

In a previous post (http://wp.me/p1XfMm-iq), I reviewed the current state of knowledge about resisted sprints.  With this post, I’d like to talk a little about how they can be used in an athlete’s speed and agility program.   First, let’s review the high points: Resisted sprinting negatively impacts velocity and sprinting mechanics while it’s being performed, but it’s unclear if this is a bad thing. If resisted sprinting is performed with the weight being a weighted belt or vest, this...

What Do We Know About Resisted Sprinting?

The October 2014 issue of the Journal of Strength and Conditioning Research has articles by Kawamori et al and Bachero-Mena and Gonzalez-Badillo on resisted sprinting.  This presents a great opportunity to take a few minutes, step back, and do a brief literature review going back a few years to look at resisted sprinting.  This post is going to look at the rationale behind resisted sprinting, how it impacts sprinting acutely, and how it impacts sprinting in the long-term.   Why...

Training to Accelerate

sprint

Acceleration is the ability to increase speed.  For a sprinter, it’s a component of their race.  First they accelerate, then they achieve maximal velocity, then they maintain that velocity for as long as possible, then they slow down.  Elite 100 meter sprinters may accelerate for 60-80 meters before reaching their maximum velocity, less capable 100 meter sprinters will not accelerate for as long because their maximum velocity is not as high.  This pattern is also present in the 200 and...