It's very important that you exercise within you're heart rate zone! A dear friend of mine, has been training to run Marathons at age 55+. Her mail order personal trainer, never informed her about her zones. She sent her running logs to me for review and for advice. Every run she took, was over her maximum heart rate for long periods of time. She never knew that running below you're max heart rate was important.
When you exceed the maximum heart rate for you're age, you're heart works harder than it should, to pump oxygen into you're muscles. When you are just under you're max, you are getting the proper amount of oxygen into you're system. Professional athletes will go over their maximum heart rates 1 or 2 times a week, only to work their heart anaerobically. If you continuously have anaerobic workouts, you're body will not perform at the level necessary to see improvements in you're cardiovascular workouts. So...slow down and run within the limit, incorporate 1 or 2 anaerobic days only.
For anaerobic workouts, I suggest my clients use my max oxygen training (Max OT). Altering through various forms of anaerobic activities, gets better results when conditioning the heart. The more efficient you're heart becomes, the more intense you're workouts can be. Pay attention to how fast you get to you're minimum and maximum heart rates, and to how fast you're heart rate recovers. This is important information that will help you understand how effective you're workout is.
Food for thought: Have you ever heard of a person who runs all the time and suddenly dies of a heart attack? Perhaps, they ran constantly over their max heart rate and their heart finally said enough! Remember you're heart is a muscle that can be over worked too! Don't let this be you! So, good luck, buy a heart rate monitor (use my link and help me out) and get the results you want!
How fast should your heart rate go down when you've reached your max?
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