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MX, SX & Off-Road Discussions
General Moto | Off-Topic Posts
Any heart experts here?
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[QUOTE="skmcbride, post: 182488, member: 23265"] Chris, I believe this phenomena you are describing is normal given your current circumstances. It is reflective of a decrease in your overall fitness and cardiac output. You can not compare to what you used to do since your circumstances have changed. A rising heart rate at a steady intensity is quite common when the intensity is too high. I run what are called fatigue test on a regular basis at the University where people are placed on a treadmill at 70% of their VO2 max until they fatigue. On average, this takes 15-25 minutes. Unfortunately you may need to lower the bar so to speak to prevent early onset of fatigue. Your inability to recover likely is related to inability to clear CO2 build up from the right heart dysfunction. Training intensities as low as 40%-50% max HR can induce a training effect. Your low resting rate is likely attributed to good left ventricular stroke volume and the right sided weakness does not get "exposed" until O2 demand goes up, resulting in the "spike" HR. This is where a HR monitor will help, sounds like you might have one. Find the intensity that you can maintain for 45-60 mins and work from there. If you are starting at a steady rate of 135-140bpm for 10 miles, you better be pretty fit! That's about 70%max give or take your formula of choice. I see this a lot in athletes trying to pick-up where they left off after an injury or remembering how easy a certain work out used to be. You need to wipe the slate clean and start from scratch. Remind yourself of the limitations that you face and realize that even at slower pace you are "training" under your current condition. Pushing it to old standards will fail and could lead to further limitation. I don't want to sound preachy, but cut yourself some slack. Start slowly, frequent physician follow-ups, and gradually you should see improvement. You might want to train indoors first on equipment that you can control/modify the intensity. Cycling outdoors creates problems with intensity maintenance, as one hill could push you into O2 dept and lead to fatigue. Let your HR monitor dictate the intensity on any given day. I keep babbling, but your condition could potentially qualify you for cardiac rehabilitation. A phase II or III program would be the best, they are often incorporated into big "wellness centers." You can get exercise or stress test and be trained with monitoring for approximately 12 weeks. They are designed for post heart attack and by-pass surgery, but any limiting heart disease could warrant consideration. Of course, you will also learn how to train on your own at the appropriate levels and could leave sooner then that if you felt comfortable. Don't tell them I said that! ;) It often involves a copay on your insurance and you will need a referral from your cardiologist. Good Luck, Keith [/QUOTE]
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MX, SX & Off-Road Discussions
General Moto | Off-Topic Posts
Any heart experts here?
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