Heart Rate Variability Testing When measuring the electrical signals of the heart an electrocardiogram (ECG or EKG) is used.  An ECG/EKG measures the electrical signals through the heart from the nerves that control it.  As the electrical signals are recorded, doctors are able to evaluate if the heart muscles have been damaged or not.  A [...]

A heart rate monitor is still an underrated, misunderstood training companion. Many of today’s runners have monitors but don’t get their money’s worth from them. Heart rate monitors are really just biofeedback units. But without interpretation of the data they provide, their true benefits cannot be realized. Dorland’s Medical Dictionary defines biofeedback as “the process [...]