11-23-2006, 09:39 AM
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Heart Rate
When locomotor activity is brief, physiological steady state conditions are not attained. It is therefore difficult to model the energetic costs of intermittent activity using standard methods. This difficulty is addressed by considering as reflective of the metabolic costs of activity not only the oxygen consumed during the activity itself, but also the excess post-exercise oxygen consumption (EPOC) and any excess metabolites persisting at the end of EPOC.
So lets look at it this way, any activity that causes an influx in HR over a long period of time reaching steady state will produce a training effect that will improve cardiac function. This will mean an increase is stroke volume and a lowering in resting heart rate. By using this method it can be determined that any activity that increase heart rate will produce this effect. Swimming, Cycling, Running, hand ergometer, etc.         
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02-13-2007, 03:43 AM
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I noticed today when I was at the gym that the cardio machines: treadmill, eliptical etc. have 2 options- Cardio and Fat burn. Why is the Cardio heart rate higher than the fat burn heart rate? Where should my heart rate be and why are they different?
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02-13-2007, 04:11 AM
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It's a percentage of vo2 max more than likely. For a cardio effect like marathon runner train at a higher percent of their vo2 max while to use fat as an energy source you need to go through a certain cycle using energy sources before you get to fat. Think of it as a dimmer. You can't go from off to full power you need to gradually make your way to the end goal.
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02-13-2007, 05:38 AM
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Quote:
The effects of working out are residual and last throught the rest of the day. Even if it tells you that you only burned 200 calories on a workout, it isn't taking into consideration your increased metabolism or any other positive, calorie-burning effects it has on your day.
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02-13-2007, 05:47 AM
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This guy is full of great advice and really breaks stuff down.
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02-13-2007, 05:49 AM
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Studies have shown that you will get more of out of weight lifting than you would from cardio but you get more from exercise then you would if you didn't exercise. So even though one might have a longer carry over it's not by much.
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02-14-2007, 03:15 AM
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correct.
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