The supposed Bruce Lee ab workout. I would add the "Bruce Lee" level to sets at the bottom, pumping it up to 9 sets. Also a "Beginner" level of 10 reps each for one set.
Bruce Lee Abs Killer ab work out from the one and only legend.
The ultimate abs exercise. So hard - but so good. You might have spotted Rocky Balboa doing these.-) He got the idea from Mr Bruce Lee. abs // six pack // dragon flags workout // core exercises // abdominals training
Killer ab work out from the one and only legend. Good luck with this.
Ab workout you can do at home! No equipment needed!
Credit: Bruce Lee Estate Bruce Lee training at home
Bruce Lee's "Secret" Six Pack Ab Exercise - Fitness Black Book