I am looking for an implementation (or a document that describes the actual algorithm) for the energy expenditure/VO2/EPOC calculation from the heart rate variability. A few white papers about ...
What products are available that attach to existing fitness machines (weights/treadmills/cardio etc) to track usage?
We are trying to find an off the shelf system that we can attach to existing fitness machines in a gym that tracks machine usage on a user basis. So the idea would be to attach them to all machines ...