and then lower the cadence to 50rpm. Match your recovery time (easy riding, normal gears) to your interval time. Your heart rate should remain about 10 beats below your threshold. Don't produce excessive lactate; remember, this is not about maximum effort

Steve Carrell in 40-Year Old Virgin. No, they don't wax but fair chunks of chest hair will have to be removed in order for the electrodes to stick. The treadmill then runs at increments until you reach 85% of your predicted maximum heart rate, all

legs are working hard and my heart rate is on the up. Even if I wanted to slack off, Lars is standing by to make sure my legs are whirling around at 100 rpm to generate the 35 vibrations (in Hz) per minute.How do the 'good vibrations' feel? Well