Noakes is now most famous for having abandoned the idea of physiological limits entirely.
But the plan helped push Mr. Whillans, 56, past his physiological limits and he has slashed his half-marathon time by 20 minutes.
As Mr Miller puts it, if certain "hard physiological limits" were broken, the receiver would stand no chance.
It is also possible, scientists say, that racehorses have reached their physiological limits -- how much blood the horse can pump or how much weight a horse's legs can bring to 38 m.p.h.
We conclude that the loads applied were within physiological limits.
Pressure developed by the diaphragm in our patients appears within physiological limits.
But the new calculations do help researchers better understand the physiological limits of the flying giants.
The VH formed a homogenous group with data varying within physiological limits.
They demonstrate that externally, the head and neck do not exceed normal physiological limits.
Although valgus was present in four patients, this was within physiological limits and no additional procedure was required.
The physiological parameters (e.g. mean blood pressure, heart rate, and cardiac output) remained within normal physiological limits.
