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And in general, kat is right.  She's given the example in the past of her mare with the resting HR of 50 or 52 or some such, that recovers down into the 40s and the rebounds back up.  There are neurlogical and other physiological things at work here.

 

I don't think that it is out of line to consider RHR--it is surely SOME factor in the overall picture--but it is certainly not the only one, and likely not even the most important one.  There are simply too many other things going on with equine cardiology to hang your hat on RHR.

 

Heidi

Beverly Kane said:

> What I don't get is how the -unconditioned- resting heart
> rate in horses is any predictor of cardiovascular fitness
> for endurance.

I contend, that it isn't.  What a low unconditioned RHR in an endurance horse is good for is to make it so a horse can "recover" to an absolute criteria (which all endurance rides use because, as she mentions below, "time to recover to 110% of RHR" is impractical/impossible to implement at and endurance ride) with less fitness.

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