heart rate

I am focusing on moving away from heavy strength training and working more high heart interval stuff. So, I spent today on the AirDyne doing work.

4 rounds of

5:00 work / 3:00 rest

working for the same calorie output each time

then

6 rounds of

2:00 work / 1:00 rest

working for the same calorie output each time

Christopher McDougall: Are we born to run? | Video on TED.com