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Chi Running
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Chi Running - October 12, 2006 6:24:00 AM
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JSPT
Posts: 284
Joined: April 19, 2005
From: Michigan
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Gimmicks aside, does anyone have any opinions on this technique? Or on running with a mid-foot strike in general?
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JS
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Re: Chi Running - October 12, 2006 12:04:00 PM
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VagusX
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From: Savannah, GA, USA
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I found out that NPR did a show on it
http://www.npr.org/templates/story/story.php?storyId=6070170
Could have some merit. Increasing surface area by hitting midfoot could redistribute some forces through the foot. I may go out and try it tonight and get back to you.
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Re: Chi Running - October 12, 2006 2:51:00 PM
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PainFree
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I personally practice some aspects of Chi running mechanics (not the philosophy aspect). I can run longer and faster as a result. I have had some issues with groin pain through the years with my longer runs but have not had any issues since leaning slightly forward.
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Re: Chi Running - October 13, 2006 2:58:00 AM
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JSPT
Posts: 284
Joined: April 19, 2005
From: Michigan
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Correlation, of course, does not infer causation; however, as soon as I switched to a forefoot (MT head) strike, I ended up with a torn meniscus 5 days later after 10 years of no injuries.
PainFree- Which part of your foot do you contact the ground with? What instructions does you brain give your feet to make them strike as they do?
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JS
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Re: Chi Running - October 13, 2006 9:26:00 PM
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Randy Dixon
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I switched from being a heel striker to a mid foot striker a few years ago. I had always found heel striking jarring but I never really thought about it until I started training harder and foot stress injuries started popping up.
The way I switched was to incorporate some barefoot running on grass, a few repeats of strides and I found myself landing on my forefoot without actually trying to do it or thinking about it. Running has felt more natural and less abusing than it did in the past. I don't know if it is right for everyone, but I like it.
You can also check out POSE running, similar concept.
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Re: Chi Running - October 18, 2006 3:43:00 AM
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JSPT
Posts: 284
Joined: April 19, 2005
From: Michigan
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I just did a movement analysis of a runnner on a treadmill employing a heel strike, mid-foot strike, and forefoot strike.
We observed the following:
-The difference between the heel strike and the 2 other strikes was that there was more knee and hip flexion during initial contact in the latter two. We did not notice any other biomechanic changes.
-There was no significant difference between the mid-foot and forefoot strike with respect to hip flexion.
-Our conclusion is that it may be prudent to advise a runner with problems to switch from a heel strike to mid-foot strike to decrease stress on the joints.
It seems to reason that landing with increased knee and hip flexion will produce more torque at the joint, but more impact will be absorbed by the elastic structures as opposed to the bones and cartilage.
Any thoughts on this reasoning?
_____________________________
JS
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