Matt Gornick

Vibram FiveFingers at the Gym and Running Day 3

Posted in Health, Personal by mgornick on May 1, 2009

So, I decided to experiment with my new Vibram FiveFingers KSO at the
gym today. I’ve worn them almost exclusively for 2 days in order to
build up the endurance I need to work out with them.

Lifts: Squats and leg press were great as I received more feedback
from the KSOs and my contact with the ground. It was much easier to
focus on correct form, stability, and using a variety of muscles to
stabilize.

Running: I was a sprinter back in high school so I was used to running
on the balls’ of my feet, but the design of the KSO’s pretty much
force you to do that. Running heal-toe isn’t possible as the shock
runs up your ankles, knees, etc. for each stride. Instead, your body
becomes pretty comfortable running on your toes/balls’ of your feet
which shifts the shock to your calf’s, Achilles, and arch which
actually feels quite comfortable. I ran on both concrete and a
rubberized track surface for a variety of 100-m sprints and 400-m
strides. Both felt very comfortable and didn’t cause any pain. I did
notice being sore after running on concrete, but I’m assuming that is
to be expected. I will continue to use these for my short distance
running and training.

Balance and Stability: Balancing on plates, planks, balls, and such
varied in difficulty. I found myself engaging a wider variety of my
muscles to stabilize and balance. I think this is going to greatly
help with rock climbing where flexibility and balance are critical.
On certain exercises where balancing on a plank (with a ball folcrum)
I performed quite poorly. I believe this was because using flattened
shoes push the stabilization and center of mass higher (possibly
knees); whereas, with the KSOs I felt that any slight change in my
ankles or specific points on my feet caused me to lose balance. This
was definitely a better workout with the KSOs than my Sauconys.

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