For Calories:
Tabata Air Assault Bike (8 rounds, 4 mins total)
Rest 4 mins, then
For Reps:
Tabata Double Unders (8 rounds, 4 mins total)
For Calories:
Tabata Air Assault Bike (8 rounds, 4 mins total)
Rest 4 mins, then
For Reps:
Tabata Double Unders (8 rounds, 4 mins total)