Is your workout helping you chill out… Or is it making you more stressed?
With so many of us now turning to fitness to help burn off day-to-day annoyances or to help alleviate stress I thought it would be a good idea to cover this topic.
I bet you’ve wondered whether your tough PT workouts are helping to reduce stress in the long-term or whether the cortisol released during high-intensity training is actually making you worse…
To begin, here’s a quick run-down on cortisol. Under conditions of high mental and/or physical stress, or high temperatures, the adrenal glands release cortisol which is the ‘fight or flight’ hormone. It’s a catabolic hormone, which means that cortisol breaks down tissue to deliver energy under stressful situations, but this tissue can come from anywhere, so not ideal for muscle growth and maintenance. Add to this that it reduces protein synthesis and works to turn protein into glucose, basically it’s a fitness disaster.
Cortisol’s effects can be classed as positive or negative depending on whether the release is short-term or a long-term chronic release. Cortisol mobilises fatty acids, governs regulation to inflammatory response, balances blood sugar during stressful times and helps maintain blood pressure, so it’s not all bad, but chronically high cortisol can cause high blood pressure and type 2 diabetes; it can affect your sleep cycle, making you feel tired all the time; it can interfere with your memory and cause brain ‘fog’, and it can impair the immune system.
For both fitness and your overall health, cortisol needs to be controlled – but if training is classed as a stressor, how do you keep it steady when exercising?
How should you train if you suffer from stress?
Let me begin this by saying that everyone is unique, so what one person finds helps reduce stress, another finds stressful. What I’m about to suggest comes from working with clients who suffer from stress and also from research around the subject.
If you follow these strategies, I’d recommend keeping a journal recording different elements related to stress, with tangible things like waist measurement and weight, along with less tangible details like how tired or stressed you’ve been feeling.
Train early in the morning
Your cortisol levels are at their highest in the morning, so you’d think that training at this time would send them sky-high, right? Wrong – already elevated cortisol levels don’t get any higher, so by training first thing you’ll ensure they come to a gradual and natural low in line with your circadian rhythm just before bed.
Eat after training
This is the most stressful time for your body, and during these times insulin does not have the nullifying effect it normally does on cortisol, so what you consume facilitates insulin release directly. A balance of protein and carbs straight after training can help offset the cortisol response.
Keep training sessions to 45-60 minutes
Your body runs off glycogen, which is stored within your muscles and liver, but after 45-60 minutes of exercise that energy runs out, and you start pulling energy from your other body tissues. Additionally, once glycogen runs out your body releases cortisol to help access these tissues for energy. Keep workouts to under 60 minutes then you won’t run out of energy and you’ll prevent extra cortisol from releasing.
Take rest days
Overtraining can cause chronic cortisol release, not only delaying muscle repair and workout recovery, but potentially causing other chronic stress effects. Experiment with how many training days work for you but begin with 3 days per week then gradually work from there, recording in your journal with how you feel each day.
Do weight training
Weight training releases growth hormone which offsets cortisol’s effects on the body, meaning the catabolic effect isn’t as great. Additionally studies have shown that lifting weights is associated with a significant reduction in depressive symptoms, so there’s a possibility that strength training can help tackle symptoms of stress, too.
Work to combat every day stress
Activities like yoga, meditation, walking, the occasional much-needed spa day or even laughing with friends can help reduce overall stress – a study showed that cortisol levels in animals are 50% higher if they are socially isolated.
So take a breath, smell the roses, have a laugh and live in the moment.
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