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4

I agree with doing a self-administered test. The tough ones aren't fun, but you'll know the truth. Run a 5k race or time trial hard, running the last 1k-800m increasingly faster. Sprint hard to the end. Find a long, hard hill (e.g., ~2 minutes from bottom to top). Run up it 2-3 times. Push hard as you get to the top. Run 2km on a track, increasing pace ...


4

220 - Age for maximum heart rate is one of the worst myths in sports. Your maximum heart rate may be less than 179, or it may be much more. For example, I am currently in my late 40's, and I regularly hit in the high 190's on hill sprint cycling workouts. There are various step tests and self administered tests that you can do outlined on the web, I would ...


2

Your gross oversimplification is roughly OK when you are comparing one species against another. It breaks down completely when you try to apply it individually. To provide a parallel, BMI correlates to body fat in a way that is statistically significant, but when applied individually may give the wrong impression about the amount of fat someone carries. ...


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I had the same thought when I watched some documentary about that. Unfortunately I couldn't find any references either. What I did, though, was to start studying medicine, and things started to make sense. When you exercise there is an acute increase in heart rate. That increase is short lasting, and depends on your oxygen debt (thats what exercise ...


2

While I'm not as familiar with how Crossfit classes are structured, I am familiar with using a heart rate monitor for barbell training. I used to use it to time when I should start the next set so that I could keep the training pretty dense, but be relatively assured that I would hit the required reps. I'm getting back to using it to time when to do the ...


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Heart rates can trend lower in a pool, because your body is horizontal and your heart is not fighting gravity to get blood back up from the extremities. It's along the same principle as your heart rate is lower when lying down than when standing. As far as the cardiovascular, a high heart rate does not automatically increase your cardio fitness. It's ...


2

After a training session you increase the metabolic demand on the body. That is, by breaking down muscles during strength training, you are sending a signal that they have to adapt and get stronger. They do so by increasing anabolism; water goes into the muscles to produce more efficient chemical processes, amino acids follow, waste products are removed. All ...


1

As your level of fitness increases, the cardiovascular system gets more and more efficient at delivering oxygen and necessary nutrients to the muscles throughout the body - so the fitter you get, the more "effort" (as in physical work) you can put in at the same heart rate. If you get a heart rate monitor and always run at exactly your "optimal fat burning" ...


1

I agree with Geoff Hutchison, but I also have to add that an exercise you don't know or you haven't done many times are always more physically demanding than an exercise which you perform for years, because your body remembers movements, so it seems easier to you.


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Your maximum heart rate depends considerably on the activity. I haven't done crossfit before, but certainly you're involving more muscle groups than running. Biking and running have different HR zones because of weight-bearing vs. sitting. I suspect your HR zones for Crossfit and running are simply different. It sounds like you're working hard with both ...


1

A similar question was asked of Cecil Adams in his Straight Dope column about the differences in heart rate between exercising and caffeine. I think that the central takeaway is similar in both cases. Cardio exercise is not about raising the heart rate — that's just a handy metric for measuring relative effort — but about exercising all of the systems of the ...


1

You are really asking two questions. Your first question is "what kind of training plan should I be using to improve my 5K running times?" There are a lot of different plans online; they will prescribe heart rate ranges, typically based on your age. Those aren't particularly accurate, but they are a decent place to start. It is also possible to set training ...


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This is a common and a good question. But, it is not an easy question. This is because there are several factors that influence what the "target" heart rate (HR) should be. These factors include: Goal (e.g. lose weight, race a sprint triathlon, race a half ironman). Activity (e.g. biking or running). Time (i.e. as you gain fitness, your heart rate zones ...


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It's doubtful your heart rate was in sync; you can't really state that without monitoring. You can measure your stride: it's usually around 160 (strides per minute), with a lot of conventional running gurus touting 180 as better for a variety of reasons. Your breathing and stride can be matched up and this whole thing is known as locomotor-respiratory ...


1

There are times when your heart rate monitor will not measure the correct rate. For example if you chest is too dry or two wet or it is moving around and you loose connection. My Garmin HR monitor will often read my initial heart rate at 225 bpm for the first couple of minutes. I know my HR is not that high. (Actually physically counted it once when it read ...



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