By now, we all hopefully know that interval training rocks . Whether you’re running, rowing, or swimming, playing with speed has multiple benefits. One way to push the interval envelope is to decrease the amount of rest time between your bouts of sprinting. By shortening your recovery time, you’re pushing your anaerobic threshold and strengthening your cardiovascular system. Plus it’s fun to mix it up once in a while. My latest elliptical workout is 30 minutes of calorie-burning interval fun. Check it out when you read more. *SPM = Strides Per Minute **RPE = Rate of Perceived Exertion My elliptical has a fixed incline of 20 percent, so set your machine with at least some incline if you can. As always, if this

View original post here:
Cardio Workout: Elliptical Intervals Shrinking Recovery