Glycogen is a type of sugar that is stored in large amounts in our fast-twitch muscle fibers. The data also showed that your body uses a great deal of glycogen at the point where your energy consumption increases rapidly. I believe this is due to the fact that you can't walk as fast as you can run, but when you try to force yourself to walk, it creates a ‘distortion’, so once you cross a certain point, your energy consumption increases all at once. "When you are running, your energy consumption increases linearly as your speed increases, whereas when you are fast walking, your energy consumption increases exponentially after a certain point. Fast walking was conceived to take advantage of such inefficiency.” Two types of muscle fibers are mobilized when walking fast: Fast-twitch and slow-twitch musclesįor this study, eighteen men and 18 women in their 20s walked and ran, and their energy consumption was measured in terms of oxygen intake and carbon oxide emissions. However, from the point of view of calorie consumption and weight loss, it is more beneficial to use more energy. Just as cars get better fuel efficiency when driven at the right speed, there is an appropriate speed range for both walking and running for humans. If you actually try it, you will find that running feels easier to do than walking at around 6 or 7 km per hour. More energy consumption means an activity is less efficient for the body. In fact, it turns out that once you reach a speed of over 7 km/h, walking consumes more energy than running at the same speed. So, what happens when you gradually increase your speed? In jogging, each step involves a jumping motion, so you probably think that jogging is more tiring. He explains: "For example, jogging at very slow speeds of 3km or 4km per hour consumes more energy than walking at the same speed.
But which is more effective in terms of impact on the body, calorie consumption, and exercise? To answer this question, we spoke to Professor Kazunari Goto, a sports and health science expert in the College of Sport and Health Sciences at Ritsumeikan University,
Fast walking and slow jogging are gaining popularity as an easy way to lose weight and improve health.
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