Chris,

I have noticed that children that miss the sitting position walk different
than children that sit. The children that miss the sitting position spend
additional time kneeling and appear to develop coordination around the
knees. These children when they start to walk do not have the ability to
land on their butts by flexing the hips Rather they bend the knees and land
forward on their knees and then land on their faces, or fall backwards on
their heads. When we see these children their mothers complain that the
child toes in and trips over their feet. I wonder if this can account for
the difference in the gluteal vs. hamstrings that you mention.

Regards,

Stanley


>Central to this work and the theory proposed by my colleague Dr
>Steve Preece is that altered (in some way, not necessarily
>strength) gluteal function can allow changes in femoral rotation
>(transverse plane) leading to changes in the tibial force driving, or
>being driven by, the foot.
>
>Steve is using a previsouly published theory and technique (sorry
>not got ref to hand) that allows the recruitment of gluteals and
>hamstrings to be quantified. From what I recall, there is a test
>using EMG that shows distinct differences between how some
>people control their hip, some recruiting gluteals, some recruiting
>primarily the hamstrings.

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