Moyer has been putting my cardio tolerance to the test today with interval training. After a 12 minute warmup on the elliptical, we changed it up on the treadmill. Started out walking, then increased to a run at a slight incline until my heart rate was around 160-170 range. After it hit this range, I walked in order to get my heart rate back down to about 120, only to turn around and start the whole process all over again. We didn’t do this just once… but 10 times! 36 minutes of solid working ou