Quote:
Originally Posted by GearUp
Is that thickening likely to ever cause problems? What does it do to the EKG?
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Probably not, but it's a symptom of high blood pressure, which is where it creates problems with an EKG. The EKG shows the thicker walls of the heart.
In the case of weightlifters, it's caused by your blood pressure increasing as you lift heavy weights. After warmups, I tend to do 6-8 reps of as heavy a weight as I can handle causing my BP to shoot through the roof during reps. This is especially true for me on leg day. Before my ACL reconstruction last year, I would do 5 sets of 6-8 reps with more than 700lbs on the sled - and that was after doing a similar number of sets/reps of squats @350+ lbs. I can almost feel my BP increasing when I do those exercises.
If you do sets of 12+ reps, you probably aren't cranking up your BP nearly as much as doing heavy sets.