heart rate variability
We all speak of it and experience it, but what is stress? It is defined as a non-specific response by the body to any demand (stressor) that overcomes, or threatens to overcome, the body’s ability to maintain homeostasis (that state of equilibrium of the body’s internal biological mechanisms) (1 –
Stress is one of the major contributing factors to over 60% of all human illness and disease1. So it’s not surprising that stress is also preventing your personal training clients from achieving the results that they are working so hard for.