Related Clues:
- Billy Blanks' exercise system
- Regimen created by Billy Blanks
- Aerobics technique
- Conditioning system
- Cardio-boxing workout regimen
- System of exercises
- Workout tape backronym
- Karate-like exercises
- Modern exercise regimen
- Exercise regimen
- Fitness regimen first called Contrology
- Cardio-boxing routine
- Billy Blanks' workout system
- It may include a stretch or two
- Regimen with 'cardio bursts'