Tout dans la vie est une question d'équilibre d'où la nécessité de garder un esprit sain dans un corps sain.


Everything in life is a matter of balance therefore one needs to keep a healthy mind in a healthy body.


E. do REGO

Tuesday, March 30, 2010

Blast: Metabolic Interval Training

Beg, Borrow, and Steal to Get Ripped Fast

Metabolic interval training, or "Blast" as I call my version of it, is an exercise protocol that utilizes the latest science of endocrinology and performance training to totally tax the body's major energy systems. The main focus of Blast is to maximize the use of stored adipose tissue (fat) as a fuel source, both during and after exercise.
Blast is a "beg, borrow, and steal" type of training, taking ideas from every aspect of exercise to make a superior training session that incinerates fat at an incredible rate. In a given session, you could experience a combination of standard resistance training, calisthenics, body-weight training, gymnastics, reactive training — that's plyos for you old-schoolers — Olympic movements, kettlebell training, and strongman events in one integrated interval training session.
These sessions are fast paced, involving intervals of hard work and short rest periods to produce maximum fat loss in the shortest period of time. And don't just think gymrats are the only ones who thinks this works — it's backed up by science.
In a 2008 study presented in the Journal of Strength and Conditioning, metabolic interval-type training had a ten-fold greater fat loss when compared to either aerobic exercise or weight training individually. Numerous other studies found in The Journal of Medicine and Science in SportThe European Journal of PhysiologyThe Journal of Sports Nutrition, and The European Journal of Applied Physiologyover the last eight years have supported this.
Some research showed that metabolic interval training actually had as much as a 50 percent increase in the use of fat as a fuel source during exercise. One research study showed that this type of training produced EPOC (Excess Post-Exercise Oxygen Consumption) that lasted 16 to 48 hours.
As a personal trainer and performance coach, I have to produce results fast or I'll find myself without a job. As an athlete myself, I've trained about every way known to man in the last 30 years, but I'm always looking for more productive ways of doing things. After reading the research, I began working on how to incorporate this type of training into what we do at my gym.
Over the last twelve months I've been working on the Blast training protocols with all my clients: professional and college athletes, bodybuilders, strongmen, MMA fighters, police officers, firefighters, powerlifters, and MILF's (Moms in Love with Fitness — get your mind out of the gutter). Through the use of Polar heart rate monitors and the BodyBugg by APEX, we found that the average client burned 11kcal per minute during exercise and had an elevated metabolism post exercise.
I haven't seen the 16 to 48 hours of EPOCH that some of the science has reported, but my clients have maintained a metabolic "afterburn" of four hours on the average.
One thing that I didn't expect was that this type of training helps aid recovery. Like "feeder" sets, Blast does a great job of flushing out the metabolic garbage from muscles by pumping tons of blood through them. GPP (general physical preparedness) is most assuredly improved by doing metabolic interval training.
Enough science. Time to show you how to do it!
You can work this in as a stand-alone session or build it into your body part splits. I'll give you some loose guidelines of how we do it for a stand-alone session.

Work and Rest

We start with a split of 30 seconds of work to 20 seconds of rest. We'll work up to 45 seconds of work and as little rest as 15 seconds.
Week 1: 
Week 2: 
Week 3: 
Week 4: 

Exercise Selection and Load

The bigger the movement the better, but the load doesn't need to be super high. I personally prefer compound movements across as many joints as possible and a load that allows 15 or more reps to be completed in the interval.

Stations and Rounds

Twelve stations and three rounds is what seems to work best. Much more than that and my clients — regardless of their conditioning — seem to just shut down. Our typical session lasts about 45 minutes.

Breaks Between Rounds

We range between 90 and 120 seconds of rest between rounds. That's generally enough time to wipe your face off and get a sip of water.
 The rest between rounds can be adjusted depending on condition of those in a training session. Some of our high school teams have gone up to 60 seconds work and 15 seconds rest.


Training sessions per week should be limited to no more than four. Most of my clients lift weights two times per week and then add one to two Blast sessions.


How much effort should you put into each set and every round? I guess that depends on what you want to get out of the training? More effort = better results!

A "Regular Gym" Example

At my facility we have all kinds of specialized equipment. Your gym probably doesn't. Sorry about that. But here's a session example you can do with common equipment that'll leave you sucking gas and dripping sweat.

Bonus Round

Fifteen to twenty minutes of good old low- to moderate-intensity cardio. The calories burned during this time period are almost exclusively fat because of the hormonal cascade you set up during the metabolic interval training.

Same Session Blast

Like the idea but aren't super keen on doing an entire separate session? Then just toss it in at the end of your workout.
Start out with no more than three exercises and three rounds at the end of your main training session. I've done the same body parts that I just trained, and I've just worked feeder sets for what I hit the day or two before. Both ways produce great results.
Give this session a shot and let me know what you think!

About Chad Coy
Blast: Metabolic Interval Training
Chad Coy is a strength and conditioning coach, a drug-free powerlifting champion, and a noted strongman competitor. He's currently the owner of ClubFitness24 by Powerhouse Gym and Parisi Speed School, Kokomo, Indiana.

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