Coaching

Fabian Cancellara Tout of Qatar 2015

What is heart rate variability?

Heart rate variability (HRV) is the difference in time between each individual heart beat. For example your heart rate may be 60 beats per minute, however there will be slight variation in the time between each beat. HRV increases over time with increasing fitness, it reduces with age, it also reduces following intense training sessions.

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High Intensity Interval Training (HIIT) is an increasingly popular way of exercising for aerobic fitness and general health. This rise is for good reason; HIIT has been shown to have a myriad of health benefits, is very time effective and can break up the monotony of continuous, steady state exercise. Let’s have a look at HIIT in closer detail and see how it stacks up compared to steady state exercise.