I have been using a Powertap for years, and a power-based indoor trainer for even more. But, it has not been
until the last few years that on-bike power meters (such as PowerTap, SRM, Ergomo, Polar) have started
to gain popularity among amateur racers. Now, I wonder how I ever coached or raced without one! This article is
designed to introduce the basics of training with power--the tip of the iceberg!
Measuring Intensity
The most basic purpose and benefit of the Power Meter, in my view, is to obtain a direct, precise measure of training intensity during your riding.
For about two decades, many cyclists have used a heart rate monitor and/or their owned perceived exertion to measure
and quantify the intensity of their training efforts. Those methods, however, are indirect, less precise measures of
training intensity that can be affected by many things other than the actual intensity of your effort (e.g. heart rate "lag", adrenaline,
heat or cold, hydration, recovery levels, mood, etc.) Power meter is direct method of gauging intensity, which can give you
consistent confidence, from ride to ride and from interval to interval, about your intensity level.
Measuring Improvements in Your Performance
With a power meter, you can accurately determine whether you can produce more power in a given situation. Analyzing power meter
files after rides and races, and over time, will help you improve. For example, you
can compare power output trends over time in consistent situations to determine whether you've improved and by how much.
It's like conducting a performance test in a lab, but you can do it yourself on the bike. With this knowledge, you can
(often with a coach) determine how to adjust your training schedule to improve particular types of fitness where you
lack adequate improvement.
Understanding the Demands of Your Events
Power Meters can help you understand, and thus better prepare for, the demands of racing. Do you have the levels of fitness
generally needed for your targeted race? By using a power meter in races, you can analyze the files after the race to determine
what you are lacking and how you can improve for the next similar race.
Again, this is the tip of the iceberg! For a fantastic informational resource on training with power, check out trainwithpower.net !
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