4-second repeats. Fitness is fast and scientific
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4-second sprints, followed by recovery periods repeated on a patented ‘Inertial Load’ exercise bike.

By the next day, increase fat burning by 43% and decrease unhealthy fat in blood by 31%. In weeks, increase muscle size, strength and power while also developing aerobic endurance.

A 10-minute computer-guided workout with only 1-2 minutes of effective, scientifically-designed, high intensity cycle sprints that are not ‘very hard’.

DEVELOPED BASED ON RESEARCH CONDUCTED AT THE UNIVERSITY OF TEXAS AT AUSTIN.

Benefits

PROLONGED SITTERS

Prevent unhealthy cardio-metabolic effects from prolonged sitting by periodically performing a few 4 second sprints.

OLDER WOMEN AND MEN

Offset muscle loss, strength and mobility with age. Offset the decline in cardiovascular function and fitness.

ATHLETES & ENTHUSIASTS

Improve maximal power and cardiovascular endurance in 10 minutes. Train Aerobic and Anaerobic simultaneously.

EXERCISE SCIENTISTS

Measure maximal power accurately in lab using this new Inertial Load (IL) method and conduct research.