Dan from Colorado Springs brought up a point about yesterday's essay that he felt i didnt cover thoroughly enough
--- in particular what i said about the internal switch that separates burning fat from burning glycogen in the preparation phase and transitioning into the building phase
Glycogen is basically the short term energy derived from the food you eat that is available immediately. Glycogen is made up of the food you ate at breakfast, or last night's dinner --- that needs to be burned before it is re-purposed and stored as fat
Without getting everybody into a lab and taking blood samples as we pedal and plod away on treadmills, its hard to know exactly when you are reaching that threshold, but we can approximate it with heart rate zone training
heart rate zones --- zone 1 is basically laying in bed or doing very minimal activity around the house, while Zone 5 is a full intensity sprint
The "fat burning" zone is typically in Zone 2 or lower levels of zone 3 for most people -- roughly 55 -65% of your max heart rate -- performing exercise at this pace and in this zone will feel slow for most
It can be a lot of work to go slow on something like a skinny tired road bike thats just begging to go a little faster
You will burn a much greater % of fat than glycogen while in this zone, but the calories don't just drop off quickly -- it requires a bit of duration -- these long, steady workouts should be at least an hour to get noticeable effects and preferably more
-------- but counterpoint , and another school of thought -- says that more intense training will burn more calories total, -- yes , most of them will be from glycogen stores, but a decent percentage will be fat as well.
This is also a good point -- but more intense training usually means zone 4 , which, in the beginning stages of a program, can be a darn uncomfortable place to be for sustained periods , so people fall back a little into upper zone 3 and lower zone 4 ----- this is the Tempo zone . This is a pace many can sustain for an hour or more too with just a bit of training
Doing things at the tempo pace feel good --- but the problem is you have inadvertantly tripped your glycogen meter, so you are burning more carbs than fat --- but the intensity still may not be high enough for you to benefit from the more aggressive high intensity burn
Is there a solution? The answer is "sort of" --- Exercise physiologists on both sides of the debate say the other is wrong ---
- One side says burning pure fat from long low intensity workouts is better for a person who needs to drop fat
- The other side says shorter more intense exercise sessions will burn more calories overall, regardless of the type of calories burned
So what did i advocate yesterday in my prep and build phases? Do both -- I'm straddling the fence on this one, but for good reason
In the beginning phase of training, you need to concern yourself with building a base more than high intense efforts ---- so if we're building a base anyway , why not stay out of Tempo, - and burn some fat while we're at it?
Besides, in the beginning, just walking for an hour , or sitting on a bike for an hour, may present its own set of challenges
But when the base is built, why stay with such a slow workout at any time?
Easy, unless you have all the time in the world to rest and recover , -- the slow , zone 2 days and fat burning days serve as a recovery day. IT might take 2 , even 3 days for you to recover enough from a serious interval session in the beginning -- but i dont expect you to sit on the couch -- i would expect us to have a strength training day and a long, slow distance day thrown in between higher intensity sessions
As we move along in our year --- we still need to maintain roughly the same schedule because the hard workouts will get harder , plus , lo and behold, our formerly slow day is not quite as slow anymore
Training increases the work you can do at a given heart rate, or means you can do the same work at a lower heart rate and intensity than before
Your zone 2 bike ride may have been 10 mph , but now its 12 ---- your walking speed may have been 3 mph, now its 3.3 or 3.5 at the same heart rate
But thanks to our upper intensity work, we are getting faster (hopefully) -- you dont get fast at anything by staying in the tempo zone -- you may be able to pedal or jog along eventually at a medium pace for sustained periods -- but you wont get a lot faster without some speed work and more intense sessions thrown in there to spice things up
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Getting "fast" at anything doesn't really mean much unless we are racing, i know --- and although i advocate friendly competition , not everybody needs it
Personally, i have a hard time training, just for the sake of training, -- endlessly pounding out miles day after day, and occasionally trying to beat my "personal best" at something or other --- but training with an event in mind gives us something tangible to shoot for
--- a goal -- and these goals feed other goals. For instance, - if you finish 56th in your age group at the 3 mile run/walk in the spring --- shoot for top 20 next year, or better, who knows
Your ultimate big picture goal is still to lose that stubborn 50 pounds, but along the way, -- wouldnt it spice things up a bit to become the fastest age group race walker in your county ?
Some of you may have the type of mental makeup that doesn't need that type of external validation though, --- you can get enough satisfaction just seeing the results of your stopwatch over a given distance
Notice i havent said much about diet --- i've written a bit about diet over the last couple of months -- and will continue to write more about it as reinforcement along the way.
Doing any of this on a junk diet is like running with your shoes untied, and yesterday i equated diet to being your most important piece of equipment ---- but by the end of the first training block, you will have had enough time on the program that diet will be second nature , and by the end of the second training block, you may even need more food
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I'm stopping here as i had not planned to write anything today, but Dan's response to me needed an answer and if you read yesterday's blog, i hope this filled in some holes in the information if you were needing more specificity
-- yours in sport and health
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---- Doug
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