Norwegian 4x4 HIIT - Myworkout

Myworkout 4x4 is the cardio exercise solution for adults who want a time-efficient way to live in good health with freedom from lifestyle diseases. Brought to you by the creators of the Norwegian 4x4 method. Just over 30 minutes of exercise, twice a week, is all it takes. • Prevent common lifestyle diseases such as Diabetes, Parkinson's, and Arthritis to name a few. • Based on established and peer-reviewed science. • Measure and improve your VO2 max with accuracy far superior to current smartw