P90X Review Plyometrics (Day 23 - Phase 1)
Plyometrics really gets my heart pumping. The first couple of weeks I really dreaded this P90X workout, now I’m getting a little more accustomed to the high impact jumping. I say a little more because I have a better pair of shoes, but my knees are still taking a beating. When I make it through this program, I may have to really modify the stress my knees are enduring jumping up and down. The crackand creak throughout the workout and they are sore for most of the day. I’m afraid that if I modify it too much, I’ll diminish the aeorobic benefits of the exercises. I wouldn’t be able keep my heart rate in the zone. What does Tony mean by “are you in the zone?” He’s referring to the heart rate zone. Here’s a graphic I borrowed frrom the Beachbody message board to help you figure out the right heart zone for P90X Plyometrics. I like to keep it in the 70-80% of my Maximum Heart Rate. The easiest way to calculate your maximum heart rate is with the following formula:
217 - (your age × 0.85) = MHR
What zone (%) does everyone else shoot for?
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