An increase in heart rate variability would mean there is more variation between heart beats (RR intervals). This represents an increase in activity from the parasympathetic nervous system or vagus nerve. Fortunately, BioForce HRV already projects this as a higher number.
On the flip side, decreased activity of the vagus nerve is associated with a lower number. This is why your measurements would dip immediately after a workout or during periods of chronic stress.
One could argue that increased stress may be associated with a lower number, which seems counter intuitive. However, BioForce is more than just a "stress-ometer". Your measurements are actually windows into the activity of the Autonomic Nervous System. These windows provide the information you need to make decisions in your training, recovery, lifestyle, etc.
Great question, let me know if this helps.
I am just starting the use of BioForce HRV testing. Doesn't it seem counterintuitive that BioForce is set up that increasing HRV is projected as a lower number and a lower HRV is higher number?
It seems that the data should be presented so that a higher number is associated with a higher number.
One can get used to either way but just saying. Roger