Comment from: Damien Tougas [Visitor] Email · http://www.adventureinprogress.com
I am a proponent of a forefoot/midfoot strike when walking. No bruised heels and no knee problems from walking many miles on asphalt or concrete. I wrote about it in my blog series (although some in the medical community had some disagreement - check the comments): http://www.adventureinprogress.com/tcfmf-making-the-transition
08/18/09 @ 16:13
Comment from: Jordan Cataldo [Visitor] Email · http://www.flickr.com/photos/ontolgian/
I have owned a pair of Vibram Five Fingers Sprint's for a little over two years now. I am still on my first pair despite the 2,000 miles or so I've put on them, and the several seams I've hand stitched. I use them for running, work, hiking, climbing, and swimming.
I have learned to walk differently with these shoes. Like the bare-footing ideal I am looking to strengthen my lower body as well as decrease impact on my knees. I've found in any shoe my knees will hurt if I land heel first and move to my toes in one sweeping motion. The landing of the heel first is where 90% of the impact damage occurs. The 'jerk' or rate of change of acceleration is what causes the high stress impacts on the knees other joints. When you land on your heal first it is practically solid bone. When the impact occurs at your heel it travels up your leg to your knees, hips, and lower back. The longer this impact takes to occur (spread out the force) the more force is spread over more time, minimizing the impulse damage from the rapid stopping of your heel as you land on it first. By landing on midsole to outer foot (from the outside to the ball of the foot) I can dampen the impulse (rate of change of acceleration) so the change is spread out over more time. I roll from the outside of my foot to the ball of my foot to the heal and the rock backwards from the heel to the outside of the foot to the ball of my foot for each step. As my heel touches I rock and spring with my calf rolling to the ball of my foot. This dampening where my foot extends until my foot touches the ground. Then as the ball of my foot and the man pad of my foot is in full contact I apply my weight to my foot as a lower my heel. Once my heel leaves the ground all my power is in that leg and my other foot is just contacting the ground. If you can keep a power push with each foot consistant enough, you should feel like you are sneaking around when you walk. Not only is there less impact this way but you will get a better calf workout, and toning happens in weeks, not months. I also find balancing on the ball of my foot and balancing on small ledges also tones my legs, and feet.
Walking this way increases the amount of work your calfs will do proportionaly to the work normally done by the upper legs and buttocks. When going up or down hill you will need to squat a little more to get the flexion required for the spring action to decrease impulse. Keep in mind walking this way is much more exhausting. When I started I couldn't wear the VFF for more than 3 hours, now I can wear them all day with no problems.
And remember.. Humans were hunter - gatherers. We sneak around trying to be as quiet as possible. This is one of the reasons our bodies are made to walk on the ball of the foot (Forward section of the foot). Grass and natural surfaces also help get used to VFF, and the change in dexterity required to use them regularly.
I hope this review helps.

Jordan
06/18/10 @ 09:58

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