> Brett's comments about endurance:
<< "Endurance for athletics and recreational activities is primarily a
> result of three factors: skill, muscular strength, and genetics."
> Heart function does not come into any of these factors. >>
>
> You are stating that endurance has nothing to do with heart function? I
> think you are missing the forest for the trees. Saying that skill and
> genetics are factors in endurance is reasonable, as is muscular strength if
> what you mean is adequate power with continuing supply of energy substrate
> and oxygen and removal of end-products (lactic acid included)...this
> circulation is in fact heart function!