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Mentzer’s High Intensity: Right or Wrong? Part 8

Jonathan doing incline Smith machine presses with Steve spotting

So training to all-out failure does get to the most fast-twitch fibers, but it also produces the most stress and damage, specifically on the last rep… [Read more…]

Filed Under: X Files Tagged With: anabolic, fast-twitch fibers, heavy duty, high-intensity training, mike mentzer, slow-twitch fibers

High-Rep Pain to Gain Muscle?

Four pics of Jonathan to illustrate 4X

Q: I understand the benefit of the high-rep-set-first STX method. But for me the pain is unbearable when I get past 12 reps. Will 12 work to exhaust the slow-twitch fibers so that fast ones are better initiated on the second [lower-rep] set?

A: I feel your pain. It does hurt—and some trainees have a lower tolerance than others… [Read more…]

Filed Under: X Files Tagged With: fast-twitch fibers, high reps, slow-twitch fibers, stx method

STX in the Muscle-Building Trenches

Vince McConnell demonstrating a pendulum sissy squat

Vince McConnell is a friend and trainer I admire due to his application of logic and attention to efficiency in his workouts and those of his clients. (Note: His Instagram is @mcconnell_performance, Website is McConnellAthletics.com)

Here’s a screen grab from one of his YouTube videos of him experimenting with Doug Brignole’s pendulum sissy squat… [Read more…]

Filed Under: Uncategorized Tagged With: slow-twitch exhaustion, slow-twitch fibers, STX, Vince McConnel

Less Intensity = More Muscle Immensity?

Jonathan spotting Steve for hammer curls

Doug Brignole and I were discussing training sets to failure and the body’s response to that.

The common belief is that training a set until you can’t get another rep activates the most fast-twitch fibers possible. [Read more…]

Filed Under: X Files Tagged With: Chris Beardsley, fast-twitch fibers, intensity, intermediate, size principle of muscle fiber recruitment, slow-twitch fibers

Muscle Mass and The Size Principle

Vince Gironda, lean and vascular

If you want to pack on the most mass with efficiency of effort, the Size Principle of Muscle Fiber Recruitment is key…

The principle says that [Read more…]

Filed Under: X Files Tagged With: 4x density training, density training, efficiency of effort, fast-twitch fibers, hypertrophy, muscle mass, size principle, size principle of muscle fiber recruitment, slow-twitch exhaustion, slow-twitch fibers, STX, vince gironda

Light Weights, More Mass: New Research

Steve doing hammer curls

For the past two years, I’ve been training with lighter weights, usually starting each exercise for a muscle with a set of 20-plus reps.

That fatigues the slow-twitch fibers. After a short 20-second rest, I use the same weight and crank out another 10 to 12, which quickly shifts the muscle to fast-twitch-fiber activation… [Read more…]

Filed Under: X Files Tagged With: Brad Schoenfeld, dumbbell workout, European Journal of Sports Science, fast-twitch fibers, fiber activation, high-rep sets, hypertrophy, light weights, low-rep sets, more mass, physique, powerblock, research, slow-twitch fibers

Moment of Bodybuilding Zen 68: Danny Padilla Onstage

Danny Padilla was “the Giant Killer” of pro bodybuilding back in the ‘80s. At only 5’2”, his symmetrical sculpted mass allowed him to beat bodybuilders who were much taller and larger than he was.

From the pic here, you can see why—no flaws anywhere. [Read more…]

Filed Under: X Files Tagged With: 1980s, 4X, 4x muscle building, aesthetics, after-40 muscle building, bodybuilding zen, danny padilla, density training, fast-twitch fibers, giant killer, hypertrophy, iron guru, master trainer, muscle pump, slow-twitch fibers, symmetry, vince gironda

Moment of Bodybuilding Zen 54: Dorian Yates Gym Pose

Dorian Yates won his first of six Mr. Olympia titles in 1992 and officially ushered in the mass-monster era. His huge, grainy physique was the next step up from the more aesthetic previous Mr. O Lee Haney… [Read more…]

Filed Under: X Files Tagged With: 1992 Mr. Olympia, bodybuilding zen, Dorian Yates, frank rich, heavy duty, high-intensity training, Lee Haney, mass monster, massthetic arms, mr. olympia, physique, powerblocks, pre-exhaustion, quick-start muscle building, slow-twitch fibers, stx method, vascular arms, vascularity, veiny arms

Our At-Home Mass Workouts (what we’re doing)

Steve doing incline curls

Back in the 1990s, Steve’s very first book was titled Iron Man’s Home Gym Handbook. Looks like we’ve come full-circle. At the moment, there’s no place like home—or nowhere else to train but home…

Like most iron men and women, we’re at home with limited equipment. Luckily, our decades of bodybuilding experience have resulted in multiple mass-training tactics and moves to keep gains coming. Here’s Steve’s report on what he’s doing in his bare-bones pump-atorium.  [Read more…]

Filed Under: X Files Tagged With: alain gonzales, at-home workout, athletic-aesthetic physique, brad pitt, Brad Schoenfeld, fast-twitch fibers, growth fibers, heavy training, home gym, Home Gym Handbook, home gym workout, hypertrophy, iron man magazine, jose antonio, light training, mass tactics, muscle hypertrophy, perfect physique, powerblock, pre-exhausting, quick-start muscle building, quick-start muscle building 2.0, slow-twitch fibers, training at home, type-1 fibers, type-2 fibers

Moment of Bodybuilding Zen 47: Danny Padilla’s Mass

We featured Danny Padilla back in Zen #19, but after recently running across the gym photo below, we had to include him again. That’s because every time we see it, all we can say is, “Damn!” [Read more…]

Filed Under: X Files Tagged With: 10x10, 4x method, 8x8, arnold, arnold schwarzenegger, Charles Poliquin, danny padilla, density training, fat fuck, genetics, German volume training, giant killer, home gym, home training, legend & myth, mass, mass building, mr. olympia, slow-twitch fibers, symmetry, vince gironda

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