Anaerobic exercise: What it is and how it affects the body

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Anaerobic exercise: What it is and how it affects the body
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Anaerobic exercise is crucial in maintaining your physical health – but what is it?

You’ve most likely heard of anaerobic exercise before, but how much do you know about the science behind this vital aspect of your physical fitness? Enhancing your comprehension of the anaerobic energy system is a sure-fire way to empower yourself and give your workouts a boost.

The key is timings: sustain the exercise for the right amount of time and the body will break down glucose to provide energy for muscles as they work, the chief process in entering and maintaining an anaerobic state. However, if this intensity is maintained for too long, the body will begin to send oxygen to transport the glucose to the muscles, meaning it has instead entered an aerobic state.

What happens to your body during anaerobic exercise?When engaged in anaerobic exercise, the body breaks down glucose, which essentially acts as a fuel from which adenosine triphosphate molecules are formed. Using HIIT as an example, Avery says: “HIIT uses lower-intensity periods to recover between anaerobic efforts. During recovery periods in HIIT sessions, you will notice higher than usual breathing frequency and heart rate, as the body has an increased oxygen demand to restore ATP within the cells.” The necessity of this recovery period is the core philosophy behind circuit training, the enduringly popular style of working out where you alternate between different parts of the body.

Anaerobic exercise has also been linked to improved mood states, post-exercise, with a review published in The Journal of Psychology suggesting that the latter offers greater benefits in tackling stress and anxiety. Remember, though, the key is short bursts and high intensity to ensure the body is engaging the correct energy system.

For those entering middle age, anaerobic routines are especially important because they could help to maintain muscle and bone density , two areas that see a gradual and natural deterioration with the onset of age.

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