With lots of talk about training for sprinting lately, take a look at sprinting’s free body diagram and think hard about what the biggest requirements may be.
What must be overcome?
What should we really work on?
Best regards,
Carson Boddicker
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Forces in Running and Sprinting
by Carson Boddicker on Jul 19th, 2010
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Perhaps besides hiring me for illustrations- a table of what happens and why to the max vs acceleration with stiffness/muscular work.
Getting better parents! Becoming more like Usain Bolt!
All kidding aside, it seems that we have the problem of initially overcoming our own inertia and gravity. Based on the arrows in the diagram it would appear that gravity (vertical forces) are more important to overcome then horizontal ones. Although, running into a stiff headwind is not good!
In regards to the basic laws of physics, the longer you are in the air, the more ground you will cover, thus even potentially lowering your energy expenditure to do work. Good stuff to say the least. Weyland did a study at Harvard University and he came up with the same conclusion.
Scott
Keats,
A headwind will definitely increase the friction coefficient, but unless we’re talking BIG speeds, I think gravity will still prevail as our number one issue. Likewise, I think the question is how does this influence our training process, if at all?
Carl,
Send me an e-mail with your illustration price structure.
Regards,
Carson Boddicker