Hi Vince,
First, would you be so kind as to give me more specifics about your training? Do you know what your heart rate is while you are training?
I ask because my goal is to keep mine over 80% of VO2 Max. If you go straight from one set to the next your heart rate should be elevated very high. Also, at 54 I have gotten the clearance from my doc (FP) and a Cardiologist that my body can handle this type of training.
My theory is that as long as I can perform these extremely HI workouts that tax both the muscles and the body's cardiovascular system, that I will not die, LOL.
I got this idea from looking at Helio Gracie. He lived to 96 (app.) and he trained in GJJ. 20 minutes of straight no rest grappling. This type of training is very similar to no rest weight training, as it taxes both muscles and the whole cardio system.
I constructed my training to simulate HI martial arts training like BJJ, Wrestling, Boxing etc.
Of course this is all just my own speculation. The larger, and more important question is if it applies to a larger number of trainee's.
I believe that the answer is yes, and I can back that up with well designed academic studies. It will take me a while to go hunt the studies down. I read them at some point in the past but I need to revisit them in order to present them as evidence.
