Workout #129 (pdf)

Interval work is the perfect opportunity to challenge the recovery abilities of your cardiovascular system.

RPE range:
level 2 (comfortable/HR Range: 65 – 75%)
level 3 (challenging/HR Range: 75 – 85%)
level 4 (hard/HR Range: 85 – 90%)

Consult with your doctor before beginning this or any exercise routine. The creators, producers, participants, and distributors of this program do not assume liability for injury or loss in connection with this exercise program.