Re: different definitions of 'intensity' with respect to exercise?

On Wed, 23 Apr 2008 12:27:39 -0700 (PDT), Bennett Haselton
<bennett@xxxxxxxxxxxxx> wrote:

On Apr 23, 4:24 am, Tim <T...@xxxxxxxxxxxx> wrote:
 Most sources say that: (1)
"low intensity" exercise burns a higher percentage of fat, and "high
intensity" exercise uses a higher percentage of glycogen; (2) "high
intensity" exercise means exercise with a higher heart rate; and (3)
weight lifting burns a high percentage of glycogen

The bottom line is higher intensity burns more fat than lower
intensity.  It maybe a smaller percentage of fat but its a smaller
percentage of a much larger number.

I know, but what's the answer to the original question about the
meaning of "intensity"? Is weight lifting considered a "high
intensity" exercise or not?

Yes, It works specific muscles very intensely for a very short time
and burns much fewer calories but a higher percentage of fat compared
to a 30 min run at very low intensity. It burns few calories because
the duration is short since the muscle are too exhausted to continue
other than a very short period of time. Weight lifting is for
strength building etc.

By what you just said, it would be high
intensity because it's using a higher percentage of calories from
glycogen.

True

But by the "percentage of MHR" definition used on pages
such as http://exercise.about.com/cs/cardioworkouts/l/aa022601a.htm ,
it would be low intensity.

Burns fewer calories but not low intensity.
.

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