Hello Folks!
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I suppose I can't lurk forever...
I need some guidance. I have a client who is an american football player for a professional team. He wears an OTC orthotic issued by his team physician that is mass produced and minimally customized by his training staff to help treat a mild pes anserine bursitis. I have created for him a simple insert that suppresses shock through the use of kevlar and increased surface area contact. The device also combines the unique properties of slow recovery poron (SRP) and strategically placed closed and open cell foams to enhance "feel" and further drop GRF. While the subjective response to the change in neural sensation is quite positive, I am concerned with the additional 2-3oz of mass and his energy expenditure over the course of a game.
Owing to the fact that the additional mass will require greater effort, does anyone have a copy of:
An equation for prediction of energy expenditure of walking and running
J Appl Physiol May 1, 1973 34:(5) 559-563
or other articles you would recommend I read?
AND Does anyone have thoughts or ideas from personal experience in field sports that I could learn from?
What works best in a cleat for a given pathology or what modifications lead to a more comfortable foot environment?
Do things like turf friction play a larger role? In-shoe friction?
So long as he's comfortable, should I be less concerned all together and hope that training effect makes up the fatigue difference?
Thank you. VR. Chris
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