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1988-01-28
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Documentation for HEARTRAT.COM
by Howard Gerber
Two Wheelers Opus 106/88
713-682-6508
__________________________________________________________________
| |
| HEARTRAT is hereby released into the public domain. I |
| am including both an IBM PC executable version (HEARTRAT.COM) |
| and the source code in Turbo Pascal (HEARTRAT.PAS). My only |
| requests are that if you change this program, that you give |
| a new name to your new version of the program and that |
| somewhere in your documentation you give credit to me as |
| the original author. |
|________________________________________________________________|
The current trend in bicycle training calls for monitoring your
pulse and adjusting the amount of energy you exert during a
training session to keep your heart rate within certain limits.
Although many authors and sports experts have stated formulas
for computing the range for your training heart rate, it appears
that there is no definitive computation that can accurately tell
you what your pulse should be during training. Because of number of
diverging opinions about how to determine your ideal rate, and
because I do not claim to be a medical expert, I have chosen to
have the program HEARTRAT.COM display three different suggested
heart rate ranges.
The first range that is displayed is based on the
recommendations on pages 13-14 of Bicycle Magazine's FITNESS
THROUGH CYCLING (c) 1985 Rodale Press Inc. This is the formula that
I use for my own training. It takes into account your resting heart
rate as well as your age. Your resting heart rate is used to
compensate for variations in level of physical fitness. Please
keep in mind the suggestion on page 14 of this book, "Those of you
who are already in good condition may wish to push your
cardiovascular system at the upper end of this range; those
currently out-of-shape are well advised to aim at the lower end.
Remember, if you have been inactive for more than a few months, you
should have a physical examination before beginning any vigorous
exercise program."
The second range is derived from Michael Shermer's suggestions
in his book SPORTSPERFORMANCE CYCLING ENDURANCE AND SPEED (c) 1987.
This equation is based solely on your age and provides a minimum
and maximum suggested pulse rate. Michael points out, "Physicians,
coaches, sports physiologists, and others all recommend that those
with a desire to become physically fit work out almost every day
(at least four days a week) for 30 minutes within the target heart
rate. This zone is the rate at which the heart is getting a good
workout to improve and grow stronger. Less than this is almost a
waste of one's time -- aerobically speaking."
The last equation is from THE PENGUIN BICYCLE HANDBOOK by Rob
Van Der Plas (c) 1983. Rob only gives a minimum pulse rate and
bases his computation strictly on age. As he puts it, "So, if
you're forty, you should reach a pulse-rate of at least 140 and
maintain this for ten minutes or more. That, in a nutshell, is the
message given by dozens of expensive books and manuals which claim
to show you how to live to be a hundred on a bicycle."
You may notice at the top of this document Two Wheelers. This
is a bicycling bulletin board that I operate in the Houston, TX,
area. It is linked to the BikeNet message exchange echo mail area
through FidoNet (TM) message system. My bulletin board operates 24
hours a day at 2400, 1200 and 300 bps. You are welcome to call this
bulletin board and if you have any suggestions for changing the
program HEARTRAT.COM please leave them on Two Wheelers.