What is the purpose of the Metabolic Efficiency test?
If I sign up for a test, what do I get for my money?
Does the summary tell me what to do next?
Does everyone retest?
How soon should I retest?
Can I see results as quickly as six weeks?
What do you mean by “crossover”?
Do I want my “crossover” to change?
I don’t have any GI issues when I work out. Is this test still helpful?
Can I test on the run and correlate my results to the bike?
Is there a way to test my swimming nutritional needs?
How long does the test take?
How soon do I get my results?
What if I get my results and I need help implementing all of the nutrition changes?
Does the test hurt?
What is a carb calorie? Fat calorie?
I want to learn more about this. Are there any books to read or websites?
What about electrolytes? Does this test tell me about my salt losses?
What are your qualifications for doing this test?
What machine do you use?
Is this test different than a lactate threshold (LT) test?
Is this a VO2 Max test?
For us, a client’s “crossover” is the point at which they go from being a fat burner (which is what you want to be) to being a carb burner. Through diet and training changes, you can move your crossover point “to the right” which means the client has become more efficient at using fat.
By moving your crossover to the right, you give yourself more speeds/powers at which to train/race where using fat as your primary fuel. An example would be a client who crossed over at 10:00 minutes/mile. If she is running a 9:00 min/mile pace, she is burning through carbs more than fat and will have to take in more nourishment. She can make changes to her diet and training to push that crossover to the right (faster/higher power) to possibly be able to run 9:00 min/mile and still burn primarily fat…meaning she does not need to replace near as many calories.
Yes! This allows you to see what calories you need at all of your paces/powers. We start everyone walking and then go through 5 minute stages of increasing speed/watts until just short of exhaustion. Your results will then tell you how many calories you truly need for your long run/long ride days.
Not really. Most of us have noticed when we run, our heart rate zones are higher than those on the bike. For some there may be some correlation, but for most of us, our calorie needs at a certain heart rate on the run vary dramatically from our calorie needs at the same heart rate on the bike.
Most experts feel that doing the test on the bike is most equivalent to their swimming numbers. We have had long distance swimmers test on the bike and then extrapolate their heart rate and perceived effort results to the swim with great success.
Hah! That’s a great question. It doesn’t hurt but you do have to exercise for an hour with headgear on, a mouthpiece in place and a nose piece that keeps air from going into or out of your nose. Several clients will report their jaw is a little sore later if they bite down too hard on the mouthpiece.
Your body basically burns two types of fuel-carbohydrates and fat. There is some energy generated by protein breakdown but it is negligible compared to carbs and fat. Carb calories are 4 calories per gram whereas there are 9 fat calories per gram of fat. We all have a significant collection of fat in our body that is a great fuel source, we just have to train our bodies to use it. If you keep giving your body sugary sports drinks and gels every 15 minutes for a one hour run, it is getting free carbs and your internal engine never looks for the fat calories that you have present to burn.
Dr. Collins and Dannielle are both certified through Bob Seebohar to perform these tests. They attended seminars with Bob to become educated on both performing the test and interpreting the results. Also, Dannielle is a certified personal trainer with a strong history in multisport. Dr. Collins is a practicing physician and a multisport athlete with many years of experience.
It is very similar but we do not take you to your anaerobic breaking point. We are providing you with useful nutritional information for your long training and racing days. The VO2 Max tells you what your anaerobic potential is, but doesn’t give you any nutrition info.