This video presents a medical solution for modern people who suffer from chronic fatigue despite exercising hard. We analyze three causes of fatigue: reduced cell battery capacity, brain fatigue (central fatigue), and confusion between rest and recovery, and suggest dopamine detox exercise to cool down the brain and active recovery measures as specific methods to resolve this.
1. If you feel tired even after exercising, it may not be because you lack stamina.
Hello, this is Kim Dong-shin, a running doctor and neurosurgeon. Many people exercise hard and take nutritional supplements to increase their physical strength, but they complain that it is difficult to wake up in the morning and that it is difficult to survive in the afternoon without caffeine. In these situations, I usually think, "I guess I haven't exercised enough yet," and increase the intensity of my exercise. But I would say that is completely the wrong direction.
"It's not that you need to exercise harder because you're physically weak. Rather, it's more likely that you're doing exercise that's physiologically depleting your body, that you're overlooking brain fatigue, or that you're just repeating passive rest without knowing what real recovery is."
In this video, I will introduce three real medical causes of your physical strength stagnating no matter how much you exercise and clear ways to solve them.
2. Our body's energy factory: mitochondria and cell batteries 🔋
The essence of what we commonly call 'tireless stamina' is medically directly related to the function of the energy factory, or mitochondria, inside cells. It's easy to understand if you think that our body contains countless 'cell batteries'. Having good natural physical strength means that the absolute capacity of this cell battery itself is large.
To increase this battery capacity, regular, calm, low-burning, long-burning stimulation is essential. This includes aerobic exercise that leaves you lightly out of breath. However, the problem is that when most modern people exercise, they only insist on high-intensity training that makes them completely out of breath and their whole body wet with sweat, i.e., in other words, they only press on the full accelerator, like in a car.**
"What happens if you repeat this kind of exercise that requires straining your body? Our body does not learn how to make energy efficiently and quickly discharges the batteries in the cells that remain. Ultimately, after the exercise is over, the energy runs out and you remain lethargic and tired all day long."
In conclusion, don't forget that moderate intensity aerobic exercise is more important than high intensity exercise in order to increase cell battery capacity! 😉
3. Energy depletion of the brain, not the body: central fatigue 🧠
The second cause is central fatigue, or brain fatigue, that we are not aware of. There may be times when you feel like skipping exercise on your way home from work, thinking, 'Oh, I really don't have the energy to lift a finger today.' At this time, it's not your leg muscles that are actually tired, but your brain.
Our brain is a very small tissue that accounts for only 2% of our total body weight, but surprisingly, it is an enormous energy whale that consumes as much as 20% of our body's total energy alone. Our brains are already overheated as we endure the pressure of work during the day, make countless decisions, and absorb endless information through our computer and smartphone screens.
"What happens if you go to the gym late at night or overexert yourself while your brain's energy is depleted? Our brain puts on the emergency brake to protect the body. It tells us that it's dangerous to move any more, and forcibly sends a strong signal of fatigue to the entire body."
This may not be the result of tired muscles, but rather the result of an overheated brain declaring a strike. Exercising your body when your brain is already tired can have the opposite effect.
4. Rest and recovery are completely different! 🛌
The third cause is probably the decisive reason why modern people cannot escape from chronic fatigue. Many people lie in bed on the weekend and look at their smartphones or watch backlogged videos all day and say, 'Oh, I had a good rest at home this weekend.' But medically it's rest, not recovery 😱
These two have completely different physiological mechanisms.
- Rest is a passive state where the body simply stops moving.
- Recovery is an active physiological process that balances the autonomic nervous system, allows cells to repair wounds, and clears waste from the heart and brain.
Even though our body is still while we lie still and look at the screen, our brain is busy processing visual information without stopping. This also means that the sympathetic nerves, which are responsible for tension, are still switched on.
"This is the same as turning off the ignition of a car but leaving the navigation, lights, and air conditioner on all night, causing the battery to discharge. The parasympathetic nerve, which repairs the body, does not work properly, so even if you sleep all night and lie down all weekend, the cells are not repaired, so your physical strength is always at a standstill."
Therefore, it is important to keep in mind that simply 'resting' by doing nothing will not truly 'recover' the body and brain.
5. Medical solution to awaken the brain and cells ✨
So how can we cool down this overheated brain, replenish our cell batteries, and create stamina that never gets tired? I will introduce you to two of the most scientific methods that I actually recommend to patients in my clinic and that I also practice!
5.1 Dopamine detox exercise to cool down the brain 🏃♀️
First, you can do exercise to cool down your brain once a week. When exercising, many people listen to stimulating music with earphones in their ears or run in front of the treadmill while reading subtitles on the monitor. However, in order to cool down your brain, you need a dopamine detox exercise of walking or jogging around the area without any visual or auditory stimulation, even just one day a week.
"When you block out the inflow of external information and focus only on your breathing and steps, your overheated brain cools down and true recovery begins."
Take time to focus only on your body by walking or running lightly in nature without your cell phone or earphones. 😌
5.2 Active recovery measures 🛀
Second, don't just lie still, take active recovery action. Instead of lying lethargic and looking at your smartphone on the weekend, you should do something that awakens your body's senses.
- Take a bath in warm water 🛁
- Gently relax tense muscles with a foam roller
- Lie down comfortably, take deep abdominal breaths, and relax your body 🧘♀️
I like these activities.
"When we consciously focus on the sensations in our body, our brain is able to disengage from emergency mode and initiate the physiological recovery phase that repairs and recharges our cells."
6. Conclusion: Stamina is built smartly 💡
In the end, only one thing matters. Stamina will never build up just by recklessly pushing and overworking your body.
"Only when you understand your body's energy metabolism system, empty it smartly, and help it recover in the right way can you create a strong body that never gets tired."
Don't push yourself too hard and blame yourself, 'Why can't my stamina improve?' I hope you listen to the fatigue signals your body and brain are sending you now, and take steps in the right direction, not speed. I hope today's content was helpful, and please subscribe and like! My name is Kim Dong-shin, a neurosurgeon who is a running doctor. thank you! 😊