“Fit At 40+ with James Crossley” S:1 E:4 Fit At 40+ – HIIT Workout (High Intensity Interval Training)

S:1 E:4 Fit At 40+ – HIIT Workout (High Intensity Interval Training) The HIIT Workout (High Intensity Interval Training) – Short but exteremly demanding. Make sure to push your body to 80% of it’s absolute maximum throughout this workout.