Mike Nelson runs ExtremeHumanPerformance.com and has some great insights on metabolic flexibility and health in general. Here’s an interview I did with him:

Background

Mike is a PHD Candidate for Exercise Science and Kinesiology. His research topic is metabolic flexibility.

He was working for a BA of Natural Science and a BS in Mechanical Engineering from The College of St. Scholastica in Duluth, MN. He only got the BA of Natural Science before moving on to Michigan Tech, where he did two years of post graduate work in Mechanical Engineering. He later went to graduate school there and received a Master’s Degree in Mechanical Engineering after 8 years. Most of his classwork was in biomechanics engineering.

From college he went to work for a medical device company, which would pay for additional college courses after he was there a couple years. Mike took classes in exercise physiology because it was interesting to him (even his vacations). He ended up joining their PhD program about 6 years ago in bio-mechanical engineering.

Metabolic Flexibility

Your metabolism should be flexible. Certain people may be flexible or inflexible to certain nutrients like carbohydrates or fats.  When you’re flexible towards carbohydrates, you’re more likely to consume carbohydrates more easily as an energy source.  The same goes for fats. Outside of a lab, you can test your flexibility with carbohydrates by consuming large amounts of carbohydrates and seeing how you feel afterward.  You can do the same with fats.

Great Questions

Minimal Effective Amount: What is the minimal amount you can do to get the maximum effect?

If you’re really healthy, shouldn’t you be able to take more abuse in terms of foods, odors, and germs instead of the other way around?

Working with Pain

Make minor movements in the injured part of your body to where you feel resistance, but not pain.  Pay attention to your range of motion and gains over time. Your brain will learn again over time that moving in that way shouldn’t be painful, and it won’t be. When you start getting a larger range of motion back without pain, start adding speed and weight to the motion to increase the intensity of the movement.

Biofeedback

The most common way of biofeedback during exercise is the range of motion test where you reach for your knees and stop when you feel strain. I’ve done a post on that here. High quality movement will allow your body to move better. Doing exercises that improve your mobility, in general, will perform better and give you better gains.  You should test your range of motion between each exercise every day because your body changes every day.

Personal Records Every Day (#PREveryDay)

There are three metrics affected by exercise.  Those are: volume, density, and intensity. Volume is the total number of pounds you pushed during your workout. Density is just that volume divided by the amount of time you spent doing it. Intensity is the percentage of your one rep maximum. You should strive to set a personal record in your exercises every day.

Measuring Body Fat

The most accurate way to test your body fat is using a Bod Pod. There are other ways to measure your body fat like skin caliper readings, hydrostatic weight, waist/arm measurements, and taking pictures. Taking pictures and waist/arm are the most effective for people trying to casually lose weight or look better because those are more in line with their actual goals anyways.  You’d be surprised at the changes you’ll see in your physique when you actually document it.

Thank You

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