Tag Archives: energy availability

Listening to your body: Not just about how you feel

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The catchphrase “listen to your body” is a general reminder to pay attention to the signals your body is giving you regarding your health, energy levels, mood, pain, etc. Paying attention to this information will show you when to rest, when to push hard in workouts, etc.

But we tend to only pay attention to energy, pain signals, and our general mood. Other things we measure and observe are also information our body is giving us.

Presuming you don’t have one: Some of this info can and should be tracked using a fitness watch such as a Fitbit or a Garmin. A suitable watch tracks calories burned and sleep on an ongoing basis. They’re not cheap (typically $100-400) but they are definitely worth their cost if you’re serious about fitness and personal development.

The information this watch can give you when worn everyday provides you with not just a wealth of stats, but those stats can communicate signals that your body hasn’t otherwise been able to get through to you.

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Energy Availability and making sure you don’t undereat when training

Currently I’m tinkering with my diet, not necessarily the foods but the meal timing and the calorie macros.

It’s not so much that my weight loss has currently stalled. In fact, it did drop to a month-low 168.9 lbs over the weekend… though it has been tough, slow going to move the average down.

I’m trying to naturally maximize my energy levels, which when I’ve fasted had tended to stay low. This means I need more nutrients around these times, which indicates I should stop fasting.

However, I went back through my RRCA training course materials… mostly because I was walking on a treadmill for an hour and the spiral-bound book was one of the only books I had that I could suitably read while on the treadmill. In any case, I went through the information-laden appendicies and it includes a robust booklet on nutrition by the IAAF.

In the IAAF’s Nutrition materials, they mention an interesting stat: Energy availability. The idea of Energy Availability is that aside from calories burned in exercise, the body has a certain number of calories it needs to rebuild and recover from that exercise.

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